Journal articles

• Hunter, A.J., Northup, D.E., Dahm, C.N., and Boston, P.J. 2005. Persistent coliform contamination in Lechuguilla Cave pools - Response: Davis forum. Journal of Cave and Karst Studies 66(3): 136-137.
• Hunter, A.J., Northup, D.E., Dahm, C.N., and Boston, P.J. 2005. Persistent coliform contamination in Lechuguilla Cave pools - Response: Barton and Pace discussion. Journal of Cave and Karst Studies 66(3): 133-135.
• Yeager, C.M., Northup, D.E., Grow, C.C., Barns, S.M., and Kuske, C.R. 2005. Changes in Nitrogen-Fixing and Ammonia-Oxidizing Bacterial Communities in Soil of a Mixed Conifer Forest after Wildfire. Applied and Environmental Microbiology 71(5):2713-2722.
• Spilde M.N., Northup D.E., Boston P.J., Schelble R.T., Dano, K.E., Crossey L.J., Dahm C.N. (2004) Geomicrobiology of Cave Ferromanganese Deposits: A Field and Laboratory Investigation. Submitted to Geomicrobiology Journal.
• Northup D.E., Spilde M.N., Boston P.J., Crossey L.J., and Dahm C.N. (2004) Microbial mineral formation in cave ferromanganese deposits. Proceedings of the 227th American Chemical Society National Meeting, Anaheim, California.
• Boston P.J., Spilde M.N., and Northup D.E. (2004) Detectable biosignatures for Mars: Biogenic Fe/Mn oxides in caves and surface desert varnish. Proceedings of the Third Astrobiology Science Conference .
• Diana Northup, Barns, S.M., Yu, Laura, E., Spilde, M.N., Schelble, R.T., Dano, K.E., Crossey, L.J., Connolly, C.A., Boston, P.J., and Dahm, C.N. 2003. Diverse microbial communities inhabiting ferromanganese deposits in Lechuguilla and Spider Caves . Environmental Microbiology. 5(11): 1071-1086.
• Schelbe R.T., Northup D.E., Spilde M.N. and Boston P.J. (2002) Investigations of microbial mineral deposition in cave environments: An analog to the Martian subsurface? Proceedings of the 2nd Astrobiology Science Conference.
• Spilde M.N. (2002) Of microbes and minerals. New Mexico Geology, 24(4), 135.
• Northup, D.E. and Lavoie, K.H. 2001. Geomicrobiology of caves: A review. Geomicrobiology Journal, 18(3):199-220.
• Melim, L.A. , Shinglman, K.M., Boston , P.J., Diana Northup, D.E., Spilde, M.N., and Queen, J.M. 2001. Evidence for microbial involvement in pool finger precipitation, Hidden Cave, New Mexico. Geomicrobiology Journal 18(3):311-329.
• Boston, P.J., Spilde, M.N., Northup, D.E., Melim, L.A., Soroka, D.S., Kleina, L. G., Lavoie, K.H., Hose, L.D., Mallory, L.M., Dahm, C.N., Crossey, L.J., and Schelble, R.T. 2001. Cave biosignature suites: Microbes, minerals and Mars. Astrobiology Journal 1(1):25-55.
• Northup, Diana E., Dahm, Clifford N., Melim, Leslie A., Spilde, Michael N., Crossey, Laura J., Lavoie, Kathleen H., Mallory, Lawrence M., Boston, Penelope J., Cunningham, Kimberly I., and Susan M. Barns. 2000. Evidence for geomicrobiological interactions in Guadalupe caves. Journal of Cave and Karst Studies. 62(2):80-90.
• Jagnow, D.H., Hill, C.A., Davis, D.G., DuChene, H.R., Cunningham, K.I., Northup, D.E., and Queen, J.M. 2000. History of the sulfuric acid theory of speleogenesis in the Guadalupe Mountains, New Mexico. Journal of Cave and Karst Studies 62(2): 54-59.
• Boston, Penelope. 2000. Life below and life 'out there'. Geotimes v.45(8):14-17.
• Lavoie, K., Northup, D., and Boston, P. 2000. Sight unseen: microbes in caves. NSS News 58(3):68-69.
• Hose, Louise D., Palmer, Arthur N., Palmer, Margaret V., Northup, Diana E., Boston, Penelope J., and Harvey R. DuChene. 2000. Microbiology and geochemistry of a hydrogen sulphide-rich karst environment. Chemical Geology, 69(3-4):399-423.
• Boston, P.J. 1999. A bit of peace and quiet: the microbes of Lechuguilla. NSS News 57(8):237.
• Angert, Esther R., Northup, Diana E., Reysenbach, Anna-Louise, Peek, Andrew S., Goebel, Brett M., and Norman R. Pace. 1998. Molecular Phylogenetic Analysis of a Bacterial Community in Sulphur River, Parker Cave, Kentucky. American Mineralogist v.83 (11 pt. 2): 1583-1592.
• Northup, D.E., Lavoie, K., and L. Mallory. 1997. Microbes in Caves. NSS News, v.55(4):111.
• Cunningham, K.I., Northup, D.E., Pollastro, R.M., Wright, W.G., and LaRock, E.J. 1995. Bacteria, Fungi and Biokarst in Lechuguilla Cave, Carlsbad Caverns National Park, New Mexico. Environmental Geology, v. 25: 2-8.
• Northup, D.E., Carr, D.L., Crocker, M.T., Cunningham, K.I., Hawkins, L.K., Leonard, P., and W. C. Welbourn. Biological Investigations in Lechuguilla Cave. December, 1994 NSS Bulletin 56(2): 54-63.
• Northup, Diana E., Lavoie, Kathleen H, and Eugene H. Studier. Bioenergetics of Ceuthophilus Camel Crickets from Carlsbad Caverns National Park. Comparative Biochemistry and Physiology 106A(3): 525-529, 1993.
• Northup, Diana E. and Clifford S. Crawford. Patterns of Fecundity and Age Class Distribution of Rhaphidophorid ``Camel Crickets'' (Ceuthophilus longipes and C. carlsbadensis) from Carlsbad Cavern. American Midland Naturalist 127: 183-189, 1992.

Electronic publications

• Human Impact on the Microbial Communities of Lechuguilla Cave: Is Protection Possible During Active Exploration? Do a find in page for the title or Northup.

Presentations

• Sight Unseen: The Life of Caves. Sandia Preparatory School. December 2005.
• Snottites, Phlegm Balls, and Deadly Gases, Oh My! The Microbial Ecology of Sulfur Caves. Southern California Branch of the American Society for Microbiology, November 1st, 2005. Invited.
• Shedding New Light on a Dark Topic: The Microbial Wonderland of Caves. Kansas Branch of the American Society for Microbiology, April 2005. Invited.
• Shedding New Light on a Dark Topic: The Microbial Wonderland of Caves. Ohio Branch of the American Society for Microbiology, April 2005. Invited.
• Women in Cave Geomicrobiology. Women in Science Club, Ohio Wesleyan University. April 2005. Invited.
• Shedding New Light on a Dark Topic: The MicrobialWonderland of Caves. Dean’s Advisory Council, University Libraries, April 2005. Invited.
• Shedding New Light on a Dark Topic: The Microbial Wonderland of Caves. Intermountain Region Branch of the American Society for Microbiology, 12 March 2005. Invited.Northup, D.E., Boston, P.J., Spilde, M.N., Lavoie, K.H., Schelble, R.T. and Alvarado-Zink, A. Microbial sulfur transformations in a sulfide-rich cave in Tabasco, Mexico. Oral Presentation at the Geological Society of America Annual Meeting, 27-30 October, 2002, Denver, CO.
• Northup, D.E., Boston, P.J., and Spilde, M.N. Geomicrobiological investigations of microbial communities in ferromanganese deposits in Lechuguilla Cave, New Mexico, U.S.A. Oral Presentation at the International Subsurface Microbiology, 7-13 September, 2002, Copenhagen, Denmark.
• Northup, D.E. Microbial diversity and microbe-mineral interactions in caves. Seminar for the Biosciences Division, Los Alamos National Laboratory, June 18th, 2002.
• Northup, D.E., Barns, S.M., and Bean, L.E. Evidence for geomicrobiological interactions in Lechuguilla and Spider Cave. Poster Presentation at the American Society for Microbiology, 102nd General Meeting, Salt Lake City, Utah, May 19-23, 2002.
• Schelble, R.T., Northup, D.E., Spilde, M.N., Boston, P.J. 2002. Investigations of Microbial Mineral Deposition in Cave Environments: An Analog to the Martian Subsurface? Astrobiology Science Conference 2002.
• Microbes and Speleothems. Oral Presentation at the Winter Technical Regional, Southwestern Region, National Speleological Society, 8 December 2001, Albuquerque, NM. Presenter: Northup, D.E.
• December 2001. Geomicrobiology of Caves, a presentation to scientists at Universum at UNAM, Mexico City, Presenters: Northup, D.E., Boston, P.J., Spilde, M.N.
• Geomicrobiology of caves. Dissertation Defense and Department Seminar, Department of Biology, University of New Mexico, November 2001. Presenter: Northup, D.E.
• Spilde, M.N., Boston, P.J., Northup, D.E., Dahm, C.N., Crossey, L.J., Mallory, L.M., Schelble, R.T., and Papike, J.J. 2001. Manganese fibers, todorokite, and the Mn-oxidizer connection. Earth System Processes - Global Meeting, June 24-28, 2001, Edinburgh, Scotland.
• Boston, P.J., Spilde, M.N., Northup, D.E., Soroka, D.S., Kleina, L.G., Lavoie, L.H., Melim, L.A., and Hose, L.D. 2001 Pendulous microbial/mineral formations in an active sulfie-dominated cave and possible lithified speleothem analogs in an ancient, inactive cave. Earth System Processes - Global Meeting, June 24-28, 2001, Edinburgh, Scotland.
• Boston, P.J., and Spilde, M.N. 2001. "Crisco", a calcitic, fibrous moonmilk deposit from Spider Cave, New Mexico: Distinctive mineral forms and the role of microorganisms. Earth System Processes - Global Meeting, June 24-28, 2001, Edinburgh, Scotland.
• Northup, D.E., Boston, P.J., Barns, S.M., Bean, L.E., Dahm, C.N., Spilde, M.N., Crossey, L.J., Schelble, R.T., and Mallory, L.M. 2001. Geomicrobiological interactions in the subsurface environment of Lechuguilla Cave, New Mexico. Earth System Processes - Global Meeting, June 24-28, 2001, Edinburgh, Scotland.
• Boston, Penelope J., Soroka, Douglas S., Kleina, Lynn G., Lavoie, Kathleen H., Spilde, Michael N., Northup, Diana E., Hose, Louise D. 2000. A garden inside out; microbial mats in springs, wall muds, and ceiling formations of a sulfur-dominated cave, Cueva de Villa Luz, Tabasco, Mexico. Annual Meeting of the National Speleological Society, Elkins, WV, June 2000.
• Northup, D.E., Schelble, R.T., and Mallory, L.M. 2000. Microbial metabolic activity studies in punk rock and corrosion residues in Lechuguilla and Spider Caves, Carlsbad Caverns National Park, New Mexico. Annual Meeting of the National Speleological Society, Elkins, WV, June 26-30, 2000.
• Northup, D.E., Spilde, M.N., Schelble, R.T., Bean, L.E., Barns, S.M., Mallory, L.M., Boston, P.J., Crossey, L.J., Dotson, K.E., and Dahm, C.N. 2000. Microbial interactions in punk rock and corrosion residues in Lechuguilla Cave, Carslbad Caverns National Park, New Mexico. Annual Meeting of the National Speleological Society, Elkins, WV, June 26-30, 2000.
• Spilde, M.N., Boston, P.J., Brearley, A.J., Northup, D.E., and Papike, J.J. 2000. Potential biosignatures in caves: Mn-minerals in Lechuguilla Cave, New Mexico. Annual Meeting of the National Speleological Society, Elkins, WV, June 26-30, 2000.
• Spilde, M.N., Crossey, L.J., Dotson, K.E., Schelble, R.T., Northup, D.E., Barns, S.M., and C.N. Dahm. 2000. Biogenic influence on mineral corrosion and deposition at Lechuguilla and Spider caves, New Mexico. Geological Society of America Annual Meeting, 13-16 November, 2000, Reno, Nevada.
• Shinglman, K.M., Melim, L.A., Boston, P.J., Northup, D.E., Spilde, M.N., and J.M. Queen. 2000. Evidence for microbial involvement in pool finger precipitation, Hidden Cave, New Mexico. Geological Society of America Annual Meeting, 13-16 November, 2000, Reno, Nevada.
• Boston, P.J. 2000. The subsurface of Mars: Lessons from Earth's extreme cave environments. Invited presentation at the MIT Mars Week, 20-22 October, Massachusetts Institute of Technology, Cambridge, MA.
• Boston, P.J., Spilde, M.N., and D.E. Northup. 1999. It's alive! Models of Martian biomarkers derived from terrestrial cave microbiota. Geological Society of America Annual Meeting, 25-28 October, Denver, CO.
• Spilde, M.N., Shearer, C.K., and Z. Sharp. 1999. Biogenic corrosion of bedrock at Lechuguilla and Spider Caves, Carlsbad Caverns National Park, NM: A stable isotope and trace element analysis study. Geological Society of America Annual Meeting, 25-28 October, 1999, Denver, CO.
• Dotson, K.E, Schelble, R.T., Spilde, M.N., Crossey, L.J., and D.E. Northup. 1999. Geochemistry and mineralogy of secondary mineral deposits. Lechuguilla and Spider Caves, Carlsbad Caverns National Park, NM: Biogeochemical processes in an extreme environment. Geological Society of America Annual Meeting, October, 1999, Denver, CO.
• Dotson, K.E, Schelble, R.T., Spilde, M.N., Crossey, L.J., and D.E. Northup. 1999. Geochemistry and Mineralogy of Corrosion Residue, Lechuguilla and Spider Caves, Carlsbad Caverns National Park, NM: Biogeochemical Processes in an Extreme Environment. Society for the Advancement of Chicanos and Native Americans in Science Annual Meeting, 7-10 October, 1999,Portland, Oregon.
• Northup, Diana E., Spilde, Michael N. and Penelope J. Boston. 1999. Microbial interactions with the limestone walls of Lechuguilla Cave, Carlsbad Caverns National Park, New Mexico, USA. Journal of Conference Abstracts, v.4(2): 951, 11th Bathurst Meeting July 13th-15th, 1999 Cambridge, UK.
• Spilde, M.N., Northup, D.E., and P.J. Boston. 1999. The Hunt for Red Corrosion: A Study of Microbial Rock Corrosion in Caves. Mineralogist Society of America.
• Boston, P.J., Northup, D.E., Spilde, M.N. and L.D. Hose 1999. Terrestrial cave microbiota: Models of Martian subsurface biology. The Vth International Mars Science Conference, 19-24 July 1999, Jet Propulsion Laboratory and California Institute of Technology, Pasadena, CA.
• Spilde, M.N., Boston, P.J., and D.E. Northup 1999. Was it alive? Distinguishing biological from nonbiological mineralization and geological structures. Vth International Mars Science Conference, 19-24 July 1999, Jet Propulsion Laboratory and California Institute of Technology, Pasadena, CA.
• Northup, D.E. and P.J. Boston. 1999. Caves and microbes. The Intermountain Regional Chiefs of Interpretation Conference, Albuquerque, New Mexico, July 27-30, 1999.
• Melim, L.A., Northup, D.E., Boston, P.J., Allen, C. and J.M. Queen. 1999. Evidence for bacterially-mediated precipitation of pool fingers, Hidden Cave, Guadalupe Mountains, NM. AAPG Annual Meeting, April 11-14, 1999, San Antonio, TX.
• Boston, Penelope, Northup, Diana, and Spilde, Michael. 23 January 1999. Corrosion Residues and Punk Rock from Lechuguilla Cave: Microbial Interactions in Lechuguilla Cave. Scientific Colloqium at Carlsbad Environmental Monitoring & Research Center, Carlsbad, New Mexico.
• Northup, D.E. "Acid House": The microbial community of Cueva de Villa Luz, Tabasco, Mexico. Presented at the Winter Technical Regional of the Southwest Region of the National Speleological Society, Albuquerque, NM, December, 1998.
• Northup, D.E. Corrosion residues and punk rock: Microbial interactions in Lechuguilla Cave. Presented at the Winter Technical Regional of the Southwest Region of the National Speleological Society, Albuquerque, NM, December, 1998.
• Northup, D.E., Barns, S.M., Connolly, C.A., Skupski, M.P., Boston, P.J., and D.O. Natvig. 1998. Molecular phylogenetic characterization of unusual microbial communities associated with corrosion residues from Lechuguilla Cave. Presented at the Annual Meeting of the National Speleological Society, Sewanee, TN, August 1998.
• Northup, D.E. 1998. Eeek!! I killed a microbe: confessions of a cave explorer. Presented at the Annual Meeting of the National Speleological Society, Sewanee, TN, August 1998.
• Spilde, M.N., Northup, D.E., Boston, P.J., and C.N. Dahm. 1998. Corrosion residues from Lechuguilla Cave; cozy home or living hell for microbes? Presented at the Annual Meeting of the National Speleological Society, Sewanee, TN, August 1998.
• Lavoie, K., Northup, D., Boston, P. and C. Blanco-Montero. 1998. Preliminary report on the biology of Cueva de Villa Luz, Tabasco, Mexico. Presented at the Annual Meeting of the National Speleological Society, Sewanee, TN, August 1998.
• Boston, P.J. and D.E. Northup. 1998. Conservation of microbes in caves. Presented at the Annual Meeting of the National Speleological Society, Sewanee, TN, August 1998.
• Northup, D.E. and P.J. Boston. 1998. Conservation of microbes in caves. Presented at Carlsbad Caverns National Park to park personnel and visitors, October 1998.
• Northup, D.E., Angert, E.R., Reysenbach, A-L., Peek, A. and N.R. Pace. 1997. Hydrogen Sulfide-Based Microbial Communities in Sulphur River, Parker Cave, Kentucky. Geological Society of America, Salt Lake City, Utah, October, 1997.
• Northup, D.E., Beck, K.M., and L.M. Mallory. 1997. Impact on the Microbial Communities Of Lechuguilla Cave: Is Protection Possible During Active Exploration? Presentation at the Biology Section of the National Speleological Society, Annual Meeting held June 23-27, 1997, Sullivan, MO.
• Northup, D.E. 1997. Microbes in Caves. Presentation for the Restoration Workshop at the National Speleological Society, Annual Meeting held June 23-27, 1997, Sullivan, MO.
• Northup, D.E., Angert, E.A., Reysenbach, A.-L., and N.R. Pace. 1996. Molecular Phylogenetic Study of the Microbial Community in Sulphur River, Parker Cave, Kentucky. Presented at the National Speleological Society Annual Meeting, August, 1996, Salida, CO.
• Distribution of Actinomycetes in a Limestone Cave and Lava Tube. Poster done with Kathy H. Lavoie, Breakthroughs in Karst Geomicrobiology, 16-19 February, 1994, Colorado Springs, Colorado.
• Workshop on Identifying Microorganisms. Presented with Kathy H. Lavoie, Penelope Boston, and Larry Mallory at the Breakthroughs in Karst Geomicrobiology, 16-19 February, 1994, Colorado Springs, Colorado.
• Conservation of Invertebrates and Microorganisms in the Cave Environment. Presented with W. C. Welbourn at the National Cave Management Symposium, October 27-30, 1993, Carlsbad, New Mexico.
• Biological Resources of Lechuguilla Cave: Is Protection Possible During Active Exploration. Northup, D.E. Presented at the Cave Biology and Conservation Symposium at the National Natural Areas Conference in Bloomington, Indiana, 27-30 October 1992.
• Overview of Biological Research in Caves and Roles for a Cave Research Institute. Northup, D.E. Invited paper at the Cave Research Institute Study Workshop, 19 August, 1992, Albuquerque, New Mexico.
• Invertebrates and Microorganisms of Lechuguilla Cave. Northup, D.E., Carr, D.L., Crocker, M.T., Cunningham, K.I., Hawkins, L.K., Leonard, P. and W.C. Welbourn. Presented by Northup at the National Speleological Society Annual Meeting, Salem, Indiana, 3-7 August 1992.
• Invertebrates and Microorganisms of Lechuguilla Cave. Presented at the Winter Technical Regional of the Southwest Region of the National Speleological Society, Albuquerque, NM, December, 1991.
• Bioenergetics of Camel Crickets from Carlsbad Caverns National Park. presented with Kathleen H. Lavoie and Eugene H. Studier at the National Speleological Society Annual Meeting, Cobleskill, New York, July, 1991.
• Seasonal Patterns of Species Diversity and Numbers of Mites Inhabiting Bat Guano in Carlsbad Cavern. presented with W. Calvin Welbourn at the National Speleological Society Annual Meeting, Cobleskill, New York, July, 1991.
• Invertebrate Species Diversity in Carlsbad Cavern, presented at the National Speleological Society Annual Meeting, Yreka, California, July, 1990.
• Patterns of Reproduction and Development of Rhaphidophorid ``Camel Crickets'' Ceuthophilus longipes and (C. carlsbadensis) from Carlsbad Cavern, presented at the National Speleological Society Annual Meeting, Sewanee, Tennessee, August, 1989.

Reports

• Northup, D.E. and Spilde, M.N. 2002. Jewel Cave Corrosion Residue Pilot Study Report. Unpublished technical report to Jewel Cave National Monument . 13pp.
• Northup, D.E. 1997. Balancing Conservation of Unusual Cave Microbial Communities With Exploration and Research in Lechuguilla Cave, Carlsbad Caverns. Unpublished technical report to the Anne D. Morrow and Charles A. Lindbergh Foundation. 10pp.
• Northup, D.E., Carr, D.L., Crocker, M.T., Cunningham, K.I., Hawkins, L.K., Leonard, P., and Welbourn, W.C. 1992. Lechuguilla Cave Biological Inventory. Unpublished technical report to the National Park Service. 195pp.
• Northup, D.E., Hardy, J.M., and Ingham, K.L. 1989. Arthropod species diversity in the Big Room and the environs. 1988 Cave Research Foundation Annual Report. pp. 39-40.
• Northup, D.E., Ziegler, W.S., and Ingham, K.L. 1988. Community structure of the arthropods of Carlsbad Cavern. 1987 Cave Research Foundation Annual Report. pp. 30-32.
• Northup, D.E. and Kuper, R. 1987. Natural history of arthropods of Carlsbad Caverns emphasizing Rhaphidophoridae of the genus Ceuthophilus. Cave Research Foundation 1986 Annual Report, pp. 29-30.
• Northup, D.E., Hardy, J.M., and Ingham, K.L. 1988. Report to the CCNP on Arthropod Species Diversity in the Big Room and Environs. 38 PP.
• Ingham, K.L., Northup, D.E., and Welbourn, W.C. May 1996. Lava Tube Fire Impact Study: El Malpais National Monument, New Mexico: Final Report

Abstracts

• Spilde M.N., Boston P.J., Northup D.E. (2004) Microbial Manganese Deposits in Caves and Rock Varnish. Proceedings of the Thirty-second International Geological Congress, Florence, Italy. Abstract # 294-12.
• Boston P.J., Spilde M.N., and Northup D.E. (2004) Microorganism effects on cave formation, enlargement, and mineral precipitation: Unifying themes in Fe/Mn, sulfur and calcite case studies. Proceedings of the Thirty-second International Geological Congress, Florence , Italy . Abstract # 294-6 (Invited).
• Spilde M.N., Boston , P.J., Diana Northup, D.E. 2003. Cave manganese deposits: Subterranean soil development?. New Mexico Geology , 25(2): 43.
• Spilde M.N., Boston P.J., Northup D.E. 2003. Subterranean soil development, Journal of Cave and Karst Studies}, 65(3): 188.
• Northup, D.E., Yeager, C.M., Grow, C., Barns, S.M., and Kuske, C.R. 2003. Recovery of the nitrogen cycling bacterial community in soils following the Cerro Grande fire in New mexico. Abstracts. American Society for Microbiology, 103nd General Meeting, Washington, D.C., May 19-23, 2003.
• (Poster). Northup, D.E., Yeager, C.M., Grow, C., Barns, S.M., and Kuske, C.R. 2003. Recovery of the nitrogen cycling bacterial community in soils following the Cerro Grande fire in New mexico. Abstracts. American Society for Microbiology, 103nd General Meeting, Washington, D.C., May 19-23, 2003.
• Spilde M.N., Boston P.J., Northup D.E. Schelbe R.T., and Crossey L.J. (2002) Subterranean soil development in Lechuguilla and Spider Caves , Carlsbad Caverns National Park , NM : Similarities to desert varnish and subsurface soils. Programs and Abstracts from the 39th annual Meeting of the Clay Minerals Society, 156.
• Spilde, M.N., Boston , P.J., Schelble, R.T., and Papike, J.J. (2002) Mineral precipitation by Mn-oxidizing microbes: Comparing natural and cultured Mn-minerals. Lunar and Planetary Science XXXIII, CD-ROM Abstract #1090.
• Diana Northup, D.E., Boston , P.J., Spilde, M.N., Lavoie, K.H., and Hose, L.D. 2002. Microbial sulfur transformations in a sulfide-rich cave in Tabasco, Mexico. Abstracts with Programs - Geological Society of America, 34(6): p.20.
• Spilde, M.N., Boston , P.J., and Diana Northup, D.E. 2002. Subterranean manganese deposits in caves: Analogies to rock varnish? Abstracts with Programs - Geological Society of America , 34(6): p.493.
• Diana Northup, D.E., Barns, S.M., and Bean, L.E. 2002. Evidence for geomicrobiological interactions in Lechuguilla and Spider Cave . Abstracts. American Society for Microbiology, 102nd General Meeting, Salt Lake City , Utah , May 19-23, 2002 . p. 344.
• Boston , P.J.and Spilde, M.N. (2001) “Crisco”, a calcitic, fibrous moonmilk deposit from Spider Cave , New Mexico : Distinctive mineral forms and the role of microorganisms. Abstracts and Programs from the 2001 Earth System Processes Meeting, Edinburgh , Scotland, 123.
• Spilde, M.N., Boston , P.J., Schelble, R.T., Brearley, A.J., and Papike, J.J. (2001) The organization of microbial Mn-oxide precipitates into mineral phases: A comparison study of cultured and natural materials. Geological Society of America Abstracts with Programs , 33, A298 (Abstr.).
• Spilde , N.M. , Boston , P.J., Brearley, A.J., and Papike, J.J. (2001) Mn-oxide minerals from a terrestrial cave environment: Biomarkers for the search for life on Mars? Lunar and Planetary Science XXXII, CD-ROM Abstract #1454.
• Boston , P.J., Spilde, M.N., Diana Northup, D.E., and Melim, L.A. 2001. Cave microbe-mineral suites; best model for extraterrestrial biosignatures! Thirty-second lunar and planetary science conference, Houston, TX, March 12-16, 2001. Houston, TX: Lunar and Planetary Science Conference. 32.
• Boston , P.J., Spilde, M.N., Diana Northup, D.E., and Melim, L.A. 2001. Unique evaporites in caves; comparison to surface-derived deposits. Abstracts with Programs - Geological Society of America, 33(6):451.
• Melim, L.A. , Spilde, M.N., Boston , P.J. ; Diana Northup, D.E., and Queen, J.M. 2001. Origin of porous layers in pool fingers, Hidden Cave , New Mexico ; recrystallized moonmilk? Abstracts with Programs - Geological Society of America , 33(6):254-255.
• Spilde, M.N., Boston, P.J., Diana Northup, D.E., Dahm, C.N., Crossey, L.J., Mallory, L.M., Schelble, R.T., and Papike, J.J. 2001. Manganese fibers, todorokite, and the mn-oxidizer connection. Earth system processes, Edinburgh, Scotland, United Kingdom, June 24-28, 2001, p.123.
• Boston, P.J., Spilde, M.N., Diana Northup, D.E., Soroka, D.S., Kleina, L.G., Lavoie, L.H., Melim, L.A., and Hose, L.D. 2001. Pendulous microbial/mineral formations in an active sulfide-dominated cave and possible lithified speleothem analogs in an ancient, inactive cave. Earth system processes, Edinburgh, Scotland, United Kingdom, June 24-28, 2001, p.123.
• Diana Northup, D.E., Boston, P.J., Barns, S.M., Bean, L.E., Dahm, C.N., Spilde, M.N., Crossey, L.J., Schelble, R.T., and Mallory, L.M. 2001. Geomicrobiological interactions in the subsurface environment of Lechuguilla Cave , New Mexico. Earth system processes, Edinburgh, Scotland, United Kingdom, June 24-28, 2001, p.122.
• Boston, P.J., Spilde, M.N., and D.E. Northup. 1999. It's alive! Models of Martian biomarkers derived from terrestrial cave microbiota. Geological Society of America Abstracts with Programs, 31: A303.
• Spilde, M.N., Boston, P.J., Brearley, A.J., Northup, D.E., and Papike, J.J. 2000. Potential biosignatures in caves: Mn-minerals in Lechuguilla Cave, New Mexico. Journal of Cave and Karst Studies 62(3): 199.
• Spilde, M.N., Crossey, L.J., Dotson, K.E., Schelble, R.T., Northup, D.E., Barns, S.M., and Dahm, C.N. (2000) Biogenic influence on mineral corrosion and deposition at Lechuguilla and Spider Caves, New Mexico. Geological Society of America Abstracts with Programs, 32, A256.
• Spilde, M.N., Shearer, C.K. and Z. Sharp 1999. Biogenic corrosion of bedrock at Lechuguilla and Spider Caves, Carlsbad Caverns National Park: A stable isotope and trace element study. Geological Society of America Abstracts with Programs, 31: A155.
• Dotson, K.E., Schelble, R.T., Spilde, M.N., Crossey, L.J., and D.E. Northup 1999. Geochemistry and mineralogy of secondary mineral deposits, Lechuguilla and Spider Caves, Carlsbad Caverns National Park, NM: Biogeochemical processes in an extreme environment. Geological Society of America Abstracts with Programs, 31: A154.
• Northup, D.E., Bean, L.E., Spilde, M.N., Boston, P.J., Barns, S.M., Connolly, C.A., Skupski, M.P., Natvig, D.O. and C.D. Dahm. 1999. Geomicrobiological investigations of secondary mineral deposits in the subsurface environment of Lechuguilla Cave, Carlsbad Caverns National Park, New Mexico. 4th International Symposium on Subsurface Microbiology, August 22-27, 1999, Marriott's Mountain Resort, Vail, Colorado, p. 20-21.
• Boston, P.J., Kleina, L., Soroka, D., Lavoie, K., Northup, D. and Spilde, M. 1999. Cave microbes: Microbial mats lining hydrogen sulfide springs. Abstracts and Programs from the 4th International Symposium on Subsurface Microbiology, 36.
• Northup, Diana E., Spilde, Michael N. and Penelope J. Boston. 1999. Microbial interactions with the limestone walls of Lechuguilla Cave, Carlsbad Caverns National Park, New Mexico, USA. Journal of Conference Abstracts, v.4(2): 951, 11th Bathurst Meeting July 13th-15th, 1999 Cambridge, UK.
• Spilde, M.N., Northup, D.E., and P.J. Boston 1999. The hunt for red corrosion: A study of microbial rock corrosion in caves. Microscopy and Microanalysis 1999, 536-537.
• Lavoie, Kathy, Northup, Diana, Boston, Penny, and Carlos Blanco-Montero. 1998. Preliminary report on the biology of Cueva de Villa Luz, Tabasco, Mexico. Journal of Cave and Karst Studies, v.60(3): 180.
• Spilde, Michael N., Northup, Diana E., Boston, Penelope J., and Clifford N. Dahm. 1998. Corrosion residues from Lechuguilla Cave: cozy home or living hell for microbes? Journal of Cave and Karst Studies, v.60(3): 180.
• Connolly, Cynthia A., Northup, Diana E., Barns, Susan M., Boston, Penelope J., and Donald O. Natvig. 1998. Phylogenetic analysis of bacterial communities isolated from Four Windows Cave: are they actinomycetes? Journal of Cave and Karst Studies, v.60(3): 180.
• Spilde , N.M. , Brearley, A.J., Papike, J.J. (2000) Mn-minerals in Lechuguilla Cave , NM : Potential biomarkers. Proceedings of the First Annual Astrobiology Conference, 274 (Abstr.).
• Dotson, K.E., Schelble, R. T., Spilde, M.N., Crossey, L.J., Northup, D.E. (1999) Geochemical investigations at Carlsbad Caverns National Park ,: implications for the origin of cave corrosion residue. New Mexico Geology , 22(2), 39 (Abstr.).
• Spilde M.N., Boston P.J., and Northup D.E. (1999) Was it alive? Distinguishing biological from nonbiological mineralization and geological structures. Procedings from the 5th International Mars Science Conference.
• Spilde M.N., Shearer C.K., and Sharp Z. (1999) Biogenic corrosion of bedrock at Lechuguilla and Spider Caves , Carlsbad Caverns National Park : A stable isotope and trace element study. Geological Society of America Abstracts with Programs , 31, A155 (Abstr).
• Dotson, K.E, Schelble, R.T., Spilde, M.N., Crossey, L.J., and Diana Northup, D.E. 1999. Geochemistry and mineralogy of corrosion residue, Lechuguilla and Spider Caves , Carlsbad Caverns National Park, NM : Biogeochemical processes in an extreme environment. Society for the Advancement of Chicanos and Native Americans in Science Annual Meeting, 7-10 October, 1999,Portland, Oregon.
• Melim, L.A. , Diana Northup, D.E., Boston , P.J., Queen, J.M., and Allen, C.C. 1999. Evidence for bacterially-mediated precipitation of pool fingers, Hidden Cave , Guadalupe Mountains , NM. Annual Meeting Expanded Abstracts - American Association of Petroleum Geologists, (1999):A92.
• Diana Northup, D.E., Bean, L.E., Spilde, M.N., Boston, P.J., Barns, S.M., Connolly, C.A., Skupski, M.P., Natvig, D.O., and Dahm, C.D. 1999. Geomicrobiological investigations of secondary mineral deposits in the subsurface environment of Lechuguilla Cave, Carlsbad Caverns National Park, New Mexico. 4th International Symposium on Subsurface Microbiology, August 22-27, 1999, Marriott's Mountain Resort, Vail, Colorado, p.20-21.
• Northup, D.E., Spilde, M.N. and Boston , P.J. 1999. Microbial interactions with the limestone walls of Lechuguilla Cave , Carlsbad Caverns National Part, New Mexico , USA . Journal of Conference Abstracts, 11th Bathurst Meeting July 13th-15th, 1999 Cambridge , UK , 4(2):951.
• Boston, P.J., Spilde, M.N., and D.E. Northup. 1999. It's alive! Models of Martian biomarkers derived from terrestrial cave microbiota. Geological Society of America Abstracts with Programs, 31: A303.
• Spilde, M.N., Boston, P.J., Brearley, A.J., Northup, D.E., and Papike, J.J. 2000. Potential biosignatures in caves: Mn-minerals in Lechuguilla Cave, New Mexico. Journal of Cave and Karst Studies 62(3): 199.
• Spilde, M.N., Crossey, L.J., Dotson, K.E., Schelble, R.T., Northup, D.E., Barns, S.M., and Dahm, C.N. (2000) Biogenic influence on mineral corrosion and deposition at Lechuguilla and Spider Caves, New Mexico. Geological Society of America Abstracts with Programs, 32, A256.
• Spilde, M.N., Shearer, C.K. and Z. Sharp 1999. Biogenic corrosion of bedrock at Lechuguilla and Spider Caves, Carlsbad Caverns National Park: A stable isotope and trace element study. Geological Society of America Abstracts with Programs, 31: A155.
• Dotson, K.E., Schelble, R.T., Spilde, M.N., Crossey, L.J., and D.E. Northup 1999. Geochemistry and mineralogy of secondary mineral deposits, Lechuguilla and Spider Caves, Carlsbad Caverns National Park, NM: Biogeochemical processes in an extreme environment. Geological Society of America Abstracts with Programs, 31: A154.
• Northup, D.E., Bean, L.E., Spilde, M.N., Boston, P.J., Barns, S.M., Connolly, C.A., Skupski, M.P., Natvig, D.O. and C.D. Dahm. 1999. Geomicrobiological investigations of secondary mineral deposits in the subsurface environment of Lechuguilla Cave, Carlsbad Caverns National Park, New Mexico. 4th International Symposium on Subsurface Microbiology, August 22-27, 1999, Marriott's Mountain Resort, Vail, Colorado, p. 20-21.
• Boston, P.J., Kleina, L., Soroka, D., Lavoie, K., Northup, D. and Spilde, M. 1999. Cave microbes: Microbial mats lining hydrogen sulfide springs. Abstracts and Programs from the 4th International Symposium on Subsurface Microbiology, 36.
• Northup, Diana E., Spilde, Michael N. and Penelope J. Boston. 1999. Microbial interactions with the limestone walls of Lechuguilla Cave, Carlsbad Caverns National Park, New Mexico, USA. Journal of Conference Abstracts, v.4(2): 951, 11th Bathurst Meeting July 13th-15th, 1999 Cambridge, UK.
• Spilde, M.N., Northup, D.E., and P.J. Boston 1999. The hunt for red corrosion: A study of microbial rock corrosion in caves. Microscopy and Microanalysis 1999, 536-537.
• Lavoie, Kathy, Northup, Diana, Boston, Penny, and Carlos Blanco-Montero. 1998. Preliminary report on the biology of Cueva de Villa Luz, Tabasco, Mexico. Journal of Cave and Karst Studies, v.60(3): 180.
• Spilde, Michael N., Northup, Diana E., Boston, Penelope J., and Clifford N. Dahm. 1998. Corrosion residues from Lechuguilla Cave: cozy home or living hell for microbes? Journal of Cave and Karst Studies, v.60(3): 180.
• Connolly, Cynthia A., Northup, Diana E., Barns, Susan M., Boston, Penelope J., and Donald O. Natvig. 1998. Phylogenetic analysis of bacterial communities isolated from Four Windows Cave: are they actinomycetes? Journal of Cave and Karst Studies, v.60(3): 180.
• Northup, Diana E., Barns, Susan M., Connolly, Cynthia A., Skupski, Marian P., Boston, Penelope J., and Donald O. Natvig. 1998. Molecular phylogenetic characterization of unusual microbial communities associated with corrosion residues from Lechuguilla Cave. Journal of Cave and Karst Studies, 60(3): 180.
• Northup, D.E. 1998. Eeek!! I killed a microbe: confessions of a cave explorer. Cave. Journal of Cave and Karst Studies, v. 60(3): 183.
• Northup, D.E., Angert, E.R., Reysenbach, A-L., Peek, A. and N.R. Pace. 1997. Hydrogen Sulfide-Based Microbial Communities in Sulphur River, Parker Cave, Kentucky. Programs with Absracts Geological Society of America, 29(6):A363.
• Northup, Diana E., Beck, Kathylyn M., and Lawrence M. Mallory. 1997. Human impact on the microbial communities of Lechuguilla Cave: Is protection possible during active exploration? Journal of Cave and Karst Studies. 59(3):166.
• Northup, D., Angert, E. Reysenbach, A-L., Peek, A. and N. Pace. 1997. Microbial Communities in Sulphur River, Parker Cave: a Molecular Phylogenetic Study. pp 55-56. In: Conservation and Protection of the Biota of Karst: Extended Abstracts and Field-Trip Guide for the Symposium Held February 13 through 16, 1997, Nashville, Tennessee. I.D. Sasowsky, D.W. Fong, and E.L. White (eds). Charles Town, WV: Karst Waters Institute.
• Mallory, L., Spokas, L., and D. Northup. 1995. Numerical taxonomic comparison of two freshwater microbial communities in Lechuguilla Cave, Carlsbad Caverns National Park. Abstracts of the General Meeting of the American Society for Microbiology, v. 95 (0): 442.
• Northup, Diana E. Book Review: Caves and Cave Life. Philip Chapman. NSS News 51(11): 305, 1993.

Extended abstracts

• Diana Northup, D., Angert, E., Reysenbach, A-L., Peek, A., and Pace, N. 1997. Microbial communities in Sulphur River , Parker Cave : A molecular phylogenetic study. pp.55-56. In: Conservation and Protection of the Biota of Karst: Extended Abstracts and Field-Trip Guide for the Symposium Held February 13 through 16, 1997, Nashville, Tennessee. Sasowsky, I.D., Fong, D.W., and White, E.L. (eds). Charles Town, WV: Karst Waters Institute.
• Lavoie, K.H. and Diana Northup, D.E. 1994. Distributional survey of actinomycetes in a limestone cave and a lava tube cave. pp.44-45. In: Breakthroughs in karst geomicrobiology and redox geochemistry: abstracts and field-trip guide for the symposium held February 16 through 19, 1994 Colorado Springs, Colorado. Sasowsky I.D., Palmer M.V. (eds.) Spec Pub 1. Charles Town, WV: Karst Waters Institute, Inc.

Books

• Northup, Diana E., Mobley, Emily Davis, Ingham, Kenneth L., Mixon, William W. (eds). A Guide to Speleological Literature of the English Language 1794-1996, St. Lous, MO: Cave Books, 1998.

Book chapters

• Boston, P.J., Northup, D.E., and Lavoie, K.H. 2004. In Press Preserving the unseen as you clean. pp.XX In: Cave Conservation and Restoration. Hildreth-Werker, V. and Werker, J. (eds.) Huntsville, AL: National Speleological Society.
• Northup, D.E. and Lavoie, K.H. 2004 Microbiology in caves. pp.506-509 In: Gunn, John (ed.) Encyclopedia of Caves and Karst Science. New York: Fitzroy Dearborn Publishers.
• Moser, D., Boston, P.J., and martin, H. 2001. Sampling in caves and mines. In: Encyclopedia of Environmental Microbiology. New York: Wiley and Sons Publications. In press.
• Boston, P.J. 2000. bubbles in the rocks: Natural and artificial caves and cavities as life support structures. In: R.M. Wheeler and C. Martin-Brennan (eds.) Mars Greenhouses: Concepts and Challenges. NASA Tech. Mem. 2000-208577. NASA Kennedy Space Center, Fl, 9-17.
• Northup, D.E. and L.M. Mallory. 1998. Life in the dark -- An unseen world. pp. 40-42 IN: Lechuguilla: Jewel of the Underground. rev. 2nd ed. Basel, Switzerland: Speleo Projects.
• Northup, D.E. and W.C. Welbourn. 1997. Life in the twilight zone -- Lava-tube ecology. New Mexico Bureau of Mines & Mineral Resources.Bulletin 156: 69-81.
• Northup, D.E., Reysenbach, A-L., and N.R. Pace. 1997. Microorganisms and Speleothems. pp 261-266 In: Cave Minerals of the World, 2nd ed. Edited by Carol A. Hill and Paolo Forti. Huntsville, AL: National Speleological Society.