Curriculum Vitae November 2017

ROBERT C. THOMAS Professor of Geology, Carnegie U.S. Professor and Montana Regents’ Professor

Environmental Sciences Department The University of Montana Western

Dillon, Montana 59725-3598 Phone: (406) 683-7615 FAX: (406) 683- 7493

E-mail: rob.thomas@umwestern.edu https://umwestern.academia.edu/RobThomas

Significant Academic Accomplishments Montana Ambassadors Mike Malone Educator of the Year – 2013

Co-author – Roadside Geology of the Yellowstone Country – 2011 http://mountain-press.com/item_detail.php?item_key=566

Regents’ Professor – Montana University System – 2010

University of Montana Geosciences Alumnus Recognition Award – 2010

The Carnegie Foundation (CASE) U.S. Professor of the Year (Baccalaureate Colleges) – 2009 http://youtu.be/AYjwmkA_j5o

Humboldt State University Distinguished Alumni Award – 2008

Fellow of the Geological Society of America – 2008

Geological Society of America Distinguished Service Award – 2007

David A. Johnston and Shell Doctoral Fellowships (U. Washington) – 1990/1991

EDUCATION Ph.D. Geology - University of Washington, Seattle, WA (1993) M.S. Geology - University of Montana, Missoula, MT (1987) B.A. Geology - Humboldt State University, Arcata, CA (1985) A.A. General Education – Las Positas College, Livermore, CA (1982)

Dissertation: The Marjumiid-Pterocephaliid (Upper Cambrian) Mass Extinction Event in the Western U.S.

GEOSCIENCE EMPLOYMENT Current: University of Montana Western: Professor of Geology, Environmental Sciences Department Other:

2016/17 St. George’s University (Grenada): Visiting Professor of Geology 2012 Semester at Sea: Professor of Environmental Science, Spring Semester Global Voyage 2011- Khumbu Climbing Center (Nepal): Director/Instructor of Mountain Environments 2011- Yellowstone Forever: Geology Instructor, Yellowstone National Park 2000- Idaho State University: Affiliate Professor of Geology 1995- YBRA Princeton, Penn, Houston: Geology Field Camp Instructor 1993- University of Montana: Affiliate Professor of Geology 1993- University of Montana Western: Professor of Geology, 2001, Tenured, 1998, Chair

1995-00, 2005-17, Regents’ Professor, 2010, Carnegie U.S. Professor, 2009 1992 Vassar College: Assistant Professor of Geology (Tenure Track)

ADMINISTRATIVE EXPERIENCE

Environmental Sciences Department Chairperson (1995-00; 2005-17): Responsibilities includes budget and personnel management, conflict resolution and faculty advocacy, course scheduling, curricular development, program advertisement, assessment, fundraising and recruitment.

Faculty Senate Chairperson (2000-03, 2017-): Responsible for managing faculty meetings and affairs, communicating concerns to the campus CEO and representing faculty at the state level.

Faculty Association President (2003-05): Responsible for negotiating faculty contracts, representing faculty during disputes and representing faculty during state-level negotiations.

HONORS AND AWARDS 2013 Montana Ambassadors Mike Malone Educator of the Year with Dr. Steve Mock 2011 Humboldt State University commencement speaker 2010 University of Washington commencement speaker (College of the Environment) 2010 Montana University System Regent’s Professor (highest state recognition) 2010 Playboy Magazine Honor Roll list of the Top 20 “Most Brilliant Professors in America” 2010 University of Montana Geosciences Alumnus Recognition Award 2009 Carnegie Foundation (CASE) U.S. Professor of the Year (National Award Recipient) 2008 Fellow of Geological Society of America (“bestowed upon the best of the profession”) 2008 Distinguished Alumni Award – Humboldt State University 2007 Distinguished Service Medal – Geological Society of America 2007 The Montana Professor magazine “Outstanding Montana Professor” 1991 Shell Doctoral Fellowship (U. Washington) 1990 David A. Johnston Fellowship (UW-“superior academic ability and research creativity”)

FUNDING

Bureau of Land Management Ecological Site Descriptions Grant: $50,000/year, starting in 2017

Connor Arnott Scholarship and Environmental Science Scholarship: Founded and funded (through personal contributions and fundraising) two academic scholarships to support students in the Environmental Sciences Department, The University of Montana Western

Federal Transportation Appropriations Geological Road sign Project: $200,000 for work on the geologic road signs along Lewis and Clark Trail in Montana, Co-author: Dr. Sheila M. Roberts

National Science Foundation Research Experiences for Undergraduates: $90,000 to support undergraduate research on the alteration of gravel composition by colluviation, Clarks Fork Valley, MT and WY, Co-authors: Dr. Marvin Kauffman and Dr. Dale “Dusty” Ritter

National Science Foundation Research Experiences for Undergraduates: $90,000 to support undergraduate research on the origin of Cambrian shell concentrations, Beartooth Mountains, MT and WY, Co-author: Dr. Marvin Kauffman

National Science Foundation MONTS (EPSCoR) Research Program #291625: $30,000 to support work on the use of Cambrian mass extinction boundaries for reconstructing grand cycles

National Science Foundation MONTS (EPSCoR) Research Opportunity Award: $14,000 to support work on the tectonic significance of Tertiary lacustrine carbonates in sw Montana

SERVICE Professional:

X1 Consultant – Indiana University, Humboldt State University, Lake Superior State University Mentor – Project Kaleidoscope Summer Leadership Institute (Baca Campus, Colorado) Graduate Student Advisor – University of Montana, Idaho State University and Georgia State U. Board of Directors – Tobacco Root Geological Society (TRGS) Board of Directors – Yellowstone-Bighorn Research Association (YBRA) Symposium Organizer – GSA, TRGS, Paleontological Society, Montana Water Association Field Trip Leader – GSA, TRGS, YBRA, Yellowstone Association, GSA GeoVentures (1995-05) President – Rocky Mountain Paleontological Society (2000-02) Journal Editor – Northwest Geology, Journal of Geoscience Education, Montana Professor

Campus: Student Senate Faculty Advisor – University of Montana Western Northwest Accreditation Team – University of Montana Western Committee Chairperson – Curriculum, Campus Development, Arts and Sciences, General Education, Academic Council, Tenure and Promotion and Multicultural committees at UMW Founder – On the Rocks, UMW Environmental Sciences Department colloquium series Founder – Terra Verde, UMW Environmental Sciences Department student organization Founder – KDWG, 90.9 FM campus radio and creator of Drive Time with the Rock Doctor Creator – Environmental Sciences Department Facebook page: https://www.facebook.com/UMWenvirosciences?pnref=lhc

Community: Founder – Keep it Rural, a southwest Montana, non-profit land preservation organization Mentor – Beaverhead County HS, Parkview Elementary/Middle School science honors program Speaker – Kiwanis, Rotary, state parks, historical societies, KBEV radio in sw Montana

PUBLICATIONS (Books) Hyndman, D.W., and Thomas, R.C., Roadside Geology of Montana, 2nd edition: Mountain Press Publishing, Missoula, MT (in preparation) Thomas, R.C., and Roberts, S.M., Geology Underfoot in Montana: Mountain Press, Missoula, MT (in preparation).

Fritz, W.H., and Thomas, R.C., 2011, Roadside Geology of Yellowstone Country, 2nd edition: Mountain Press Publishing, Missoula, MT, 328 p.

PUBLICATIONS (Research) Link, P.K., Todt, Mary, Pearson, D.M., and Thomas, R.C., 2017, 500-490 Ma detrital zircons in Upper Cambrian Worm Creek and correlative sandstones, Idaho, Montana, and Wyoming: Magmatism and tectonism within the passive margin: Lithosphere doi: https://doi.org/10.1130/L671.1 Thomas, R.C., 2014, The last normal school: Montana Professor, v. 24, n. 1, p. 8-11.

Thomas, R.C., 2013, The ups and downs of the Yellowstone caldera: Yellowstone Quarterly, v. 1, p. 10-11. Bush, John, Thomas, R.C., and Pope, M.C., 2012, Sauk megasequence deposition in northeastern Washington, northern Idaho, and western Montana, in J.R. Derby, R.D. Fritz, S.A. Longacre, W.A. Morgan, and C.A. Stembach, eds., The great American carbonate bank: The geology and economic resources of the Cambrian-Ordovician megasequence of Laurentia: AAPG Memoir 98, p. 751-768. Lielke, K., and Thomas, R.C., 2012, Paleogene volcanics, sedimentary deposits, tectonic setting, paleoenvironment and basin evolution of the Beaverhead Canyon, Muddy Creek and Sage Creek areas of southwestern Montana, USA, in Garsjo, M.M., and Gibson, R.I., Yellowstone National Park: Northwest Geology, v. 41, p. 139-160.

Lielke, K., and Thomas, R.C., 2012, Field guide to the sedimentary deposits, tectonic setting, paleoenvironment and basin evolution of the Paleogene Renova Formation in the Upper Ruby River Basin of southwestern Montana, in Garsjo, M.M., and Gibson, R.I., Yellowstone National Park: Northwest Geology, v. 41, p. 117-138.

Heise, B., Thornberry-Ehrlich, T., Deal, E., Bergantino, B., Smith, S., Thale, P., Sandau, K., Thomas, R.C., Kuhn, J., Hardy, K., and Wagner, M., 2010, Chief Mountain and Glacier National Park, Glacier National Park 100th anniversary: Montana Bureau of Mines and Geology, Montana Geology 2010 calendar, 1 sheet.

Sisson, J., Kauffman, M., Bordeaux, Y., Thomas, R.C., and Giegengack, R., 2009, The Yellowstone Bighorn Research Association (YBRA): Maintaining a leadership role in field-course education for 79 Years, in Whitmeyer, S.J., Mogk, D.W., and Pyle, E.J., eds., Field Geology Education: Historical Perspectives and Modern Approaches: Geological Society of America Special Paper 461, p. 15-23.

Sears, J.W., Hendrix, M.S., Thomas, R.C., and Fritz, W.J., 2009, Stratigraphic record of the Yellowstone hot spot track, Neogene Sixmile Creek Formation, SW Montana: Journal of Volcanology and Geothermal Research, v. 188, p. 250-259.

Thomas, R.C., and Roberts S., 2009, Experience One: Teaching the geoscience curriculum in the field using experiential immersion learning, in Whitmeyer, S.J., Mogk, D.W., and Pyle, E.J., eds., Field Geology Education: Historical Perspectives and Modern Approaches: Geological Society of America Special Paper 461, p. 65-76.

Thomas, R.C., 2009, Cenozoic extensional basin development and sedimentation in southwest Montana: (www.MantlePlumes.org).

Thomas, R.C., 2008, A field guide to the Cambrian section at Beartooth Butte, Northwestern Wyoming, in Thomas, R.C., and Gibson, R.I., eds., The Red Lodge Area: Northwest Geology, v. 37, p. 159-172. Sears, J.W., and Thomas, R.C., 2007, Extraordinary middle Miocene crustal disturbance in southwest Montana: Birth record of the Yellowstone hot spot? in Thomas, R.C., ed., Geologic History of the Dillon Area, Southwestern Montana: Northwest Geology, v. 36, p. 133-142.

Thomas, R.C., 2007, A field guide to the Cambrian section at Camp Creek, southwest Montana, in Thomas, R.C., and Gibson, R.I., eds., Introduction to the Geology of the Dillon Area: Northwest Geology, v. 36, p. 231-244.

Thomas, R.C., and Roberts, S., 2007, A summary of the stratigraphy and depositional setting of Paleozoic rocks in the Dillon area, in Thomas, R.C., and Gibson, R.I., eds., Introduction to the Geology of the Dillon Area: Northwest Geology, v. 36, p. 35-56.

Thomas, R.C., Smith, L.N., and Roberts, S., 2007, A field guide to the glacial geology of the Birch Creek and Rattlesnake Creek areas, Beaverhead County, Montana, in Thomas, R.C., and Gibson, R.I., eds., Introduction to the Geology of the Dillon Area: Northwest Geology, v. 36, p. 261-268. Bailey, B.B., Breneman, E., Giles, L., Hansen, G., Hansen, T., Harrison, S.L., Hart, S., Holt, M., Montgomery, C., Riley, L.H., Rule, D.B., Shafer, J.B., and Thomas, R.C., 2006, Centennial Valley: A Journey Through Time 1820-1930 Volume 1, L. Giles, M. Holt, C. Montgomery, and D. Rule, eds: Centennial Valley Historical Society, 267p.

Thomas, R.C., and Roberts, S.M., 2005, Lewis & Clark: The Corps of Geologic Discovery: Montana Naturalist, p. 6-7.

Thomas, R.C., and Roberts, S.M., 2004, Peer reviewed geologic road signs on the Lewis and Clark Trail in Montana.

Kalakay, Thomas J., Foster, D. A., and Thomas, R.C., 2003, Geometry and timing of deformation in the Anaconda Extensional Terrane, west-central Montana, in Lageson D.R., and Christner, R.B., eds, Proceedings Volume from the 2003 Annual Field Conference of the Tobacco Root Geological Society and the Belt Symposium IV: Northwest Geology, v. 32, p. 124-133. Jenne, S., McBroom, W., and Thomas, R.C., 2001, Duties and responsibilities of the Professoriate: The Montana Professor, v. 11 n. 3, p. 11-12.

Thomas, R.C., 2001, Learning geologic time in the field: Journal of Geoscience Education, v. 49, n. 1, p. 18-21. Lonn, Jeffrey D., Skipp, Betty, Ruppel, Edward T., Janecke, Susanne U., Perry, William J., Jr., Sears, James W., Bartholomew, Mervin J., Stickney, Michael C., Fritz, William J., Hurlow, Hugh A., and Thomas, Robert C., 2000, Geologic Map of the Lima 30’ x 60’ Quadrangle, sw Montana: MBMG Open File Report #408.

Thomas, R.C., and Roberts, S.M., 2000, Geology of the Lewis and Clark Trail: The Three Forks of the Missouri River to Camp Fortunate, Montana, in Roberts, Sheila and Winston, Don eds., Geologic Field Trips, Western Montana and adjacent areas: Rocky Mountain Section of the Geological Society of America, The University of Montana, p. 209-322. Link, P.K., and Thomas, R.C., 1995, Vendian and Cambrian paleogeography of the western United States and adjacent Sonora, Mexico, in Seslavinsky, K., and Crimes, P., eds., Caracterización y evolución de la cuenca Neoproterozoico- Cámbrica en la Península Ibérica: Annual IGCP Project-319: Global Paleogeography in the Upper Precambrian-Lower Cambrian: Comunicaciones del XIII Reunion De Geologia Del Oeste Peninsular.

Sears, J.W., Hurlow, H., Fritz, W.J., and Thomas, R.C., 1995, Late Cenozoic disruption of Miocene grabens on the shoulder of the Yellowstone hotspot track in southwest Montana: Field Guide from Lima to Alder, Montana, in Mogk, D.W., ed., Field Guide to Geologic Excursions in Southwest Montana: Rocky Mountain Section, GSA 47th Annual Meeting: Northwest Geology, v. 24, p. 201-219.

Thomas, R.C., Sears, J.W., Ripley, A.A., and Berg, R.B., 1995, Tertiary extensional history of southwestern Montana: Field trip guide for the Sweetwater and Upper Ruby valleys, Montana, in Thomas, R.C., ed., Geologic History of the Dillon Area, Southwestern Montana: Northwest Geology, v. 25, p. 5-25.

Thomas, R.C., 1995, Tectonic significance of Paleogene sandstone deposits in southwestern Montana, in Mogk, D.W., ed., Field Guide to Geologic Excursions in Southwest Montana: Rocky Mountain Section, GSA 47th Annual Meeting: Northwest Geology, v. 24, p. 237-244.

Thomas, R.C., 1995, Cambrian mass extinction (“biomere”) boundaries: A summary of thirty years of research, in Mogk, D.W., ed., Field Guide to Geologic Excursions in Southwest Montana: Rocky Mountain Section, GSA 47th Annual Meeting: Northwest Geology, v. 24, p. 67-75. Dilek, Y.D., Thomas, R.C., and Whitney, D., 1994, Team teaching petrology in a tectonic context: Journal of Geological Education, v. 42, p. 25.

Thomas, R.C., 1994, Teacher Education: The times they are a-changin’: The Montana Professor, v. 4, n. 3, p. 9-10.

PUBLICATIONS (Abstracts) Thomas, R.C., Levine, R., Roberts. S.M., and Schoenemann, S., Experience One: Analysis of a decade of immersion scheduling and experiential learning at the University of Montana Western: GSA Abstracts with Programs, Vol. 49, No. 6, doi: 10.1130/abs/2017AM-307498. Thomas, R.C., 2016, Post-restoration assessment of Poindexter Slough in the Beaverhead River drainage near Dillon, Montana: Montana Section American Water Resources Association Proceedings: http://www.montanaawra.org/wp/wp-content/uploads/2013/12/2016_AWRA_Proceedings.pdf Thomas, R.C., 2015, Fluvial Arctic grayling habitat restoration and assessment, upper Big Hole River, sw Montana: Montana Section American Water Resources Association Proceedings: http://www.montanaawra.org/conference/conference-archives. Thomas, R.C., 2014, Where have all the classrooms gone? Rejecting traditional seat time for field and project work at The University of Montana Western: GSA Abstracts with Programs, Vol. 46, No. 5, p. 76. Craddock, M., and Thomas, R.C., 2013, Inventory and assessment of a portion of Rock Creek in the upper Big Hole River drainage near Wisdom, Montana: Montana Section American Water Resources Association Proceedings: http://www.montanaawra.org/conference/conference-archives. Craddock, M., and Thomas, R.C., 2013, Inventory and assessment of a portion of Rock Creek in the upper Big Hole River drainage near Wisdom, Montana: GSA Abstracts with Programs, Vol. 45, No. 7, p. 209.

Thomas, R.C., 2013, Authentic undergraduate research and the need to know: GSA Abstracts with Programs, Vol. 45, No. 7, p. 209. Barber, D. E., Schricker, L., Schwartz, R.K., Wislogel, A.L., and Thomas, R.C., 2012, Paleogeographic and tectonic implications of the Paleogene paleo-Missouri headwater system in southwest Montana: GSA Abstracts with Programs, Vol. 5, p. A547.

Thomas, Robert C., 2012, Baseline assessment of riparian function of Long Creek, Centennial Valley, Southwest Montana: Montana Section American Water Resources Association Proceedings: http://www.montanaawra.org/conference/conference-archives/2012-presentations. Thomas, R.C., 2010, Inventory and assessment of Fluvial Arctic grayling habitat restoration on the upper Big Hole River and its tributaries, Southwest Montana: Montana Section American Water Resources Association Proceedings: http://www.montanaawra.org/wp/pdfs/2010_awra_proceedings.pdf Pope, Michael C., Bush, John H., Jr., and Thomas, R.C., 2009, Cambrian-Ordovician strata in Washington-Idaho- Montana indicate sedimentation on an actively extending passive margin: GSA Abstracts with Programs, Vol. 41, No. 7, p. 592.

Link, P.K., and Thomas, R.C., 2009, The detrital-zircon trail of the Lemhi Arch: 500 Ma zircon population in the Worm Creek Quartzite Member, Upper Cambrian St. Charles Formation, SE Idaho: GSA Abstracts with Programs, Vol. 41, No. 6, p. 8-2.

Thomas, R.C., and Roberts, S.M., 2009, Experience One: Teaching the geoscience curriculum in the field using experiential immersion learning: GSA Abstracts with Programs, Vol. 41, No. 7, p. 711.

Thomas, R.C., and Roberts, S.M., 2008, The impacts of immersion-learning scheduling on the geoscience curriculum at the University of Montana Western: GSA Abstracts with Programs, Vol. 40, No. 6, p. 307. Sears, James W., Hendrix Marc S., Thomas, Robert C., and Fritz, William J., 2007, Sequential doming and faulting along the margin of the Yellowstone hot spot track in sw Montana: Parameters to test the plume hypothesis from Neogene Sixmile Creek Formation: GSA Abstracts with Programs, Vol. 39, No. 6, p. 292.

Thomas, R.C., and Roberts, S.M., 2007, A progress report on the field-based immersion learning model at the University of Montana Western: GSA Abstracts with Programs, Vol. 39, No. 6, p. 543. Roberts S. M. and Thomas, R. C., 2006. Geologic Interpretive Signs on the Lewis and Clark Trail in Montana: Geological Society of America Abstracts with Programs, Vol. 38, No. 7, p. 167. Thomas, R.C., 2005, Strategies for dealing with religious fundamentalist students in college level geoscience courses: GSA Abstracts with Programs, Vol. 37, No. 7, p. 194.

Thomas, R.C., Roberts, S.M., Mock, R.S., 2005, Integrating undergraduate education and research in the Northern Rockies: Earthscope, Bozeman, MT, http://serc.carleton.edu/earthscoperockies/abstracts3.html#Thomas Nielsen, K. and Thomas, R.C., 2004, Paleoenvironmental reconstruction of the mid-Miocene Beaverhead Graben in southwest Montana: GSA Abstracts with Programs, Vol. 36, No. 5, p. 546.

Dahlke, C.M., David, C.M., Diedrich, A.L., Ferch, J.D., Haubrich, M.G., Hawley, S.M., Lubinski, S.M., Nielsen, K., Paschal, M.J., Weinert, J.L., Vant, M.K., and Thomas, R.C., 2004, Preliminary results of an analysis of the geohistory of the mid-Miocene Beaverhead Graben in southwest Montana: Rocky Mountain Geodays Abstracts with Programs, Vol. 1, p. 12.

Davis, B.W., Ferch, J.D., Owens, J.W., Paschal, M.J., Smith, E.J., Vant, M.K., and Thomas, R.C., 2004, Impacts of bridges and culverts on Blacktail Deer Creek upstream from the City of Dillon, Montana: Rocky Mountain Geodays Abstracts with Programs, Vol. 1, p. 13.

Thomas, R.C., and Roberts, S.M., 2003, One Class at a Time: Overcoming Obstacles to Incorporating Experiential Learning into the Undergraduate Geoscience Curriculum: GSA Abstracts with Programs, Vol. 37, No. 7, p. 194. Clark, C., and Thomas, R.C., 2002, The formation of in-situ carbonate-siliciclastic shelf deposits by storm processes: The early Triassic Dinwoody Formation, sw Montana: GSA Abstracts with Programs, Vol. 34, p. 124.

Clark, C., and Thomas, R.C., 2002, Storm-dominated, mixed carbonate-siliciclastic systems of the early Triassic Dinwoody Formation, southwest Montana: Rocky Mountain Geodays Abstracts with Programs, Vol. 1, p. 10.

Allen, S., Bull Calf, B.J., Burke, K., Catling, C., Clark, C., Hilburn, B., Horton, K., Krank, T., Landon, S., Rondeau, J., Ross, J., Stodden, D., and Thomas, R.C., 2002, Environmental assessment of Blacktail Deer Creek within the city limits of Dillon, Montana: Rocky Mountain Geodays Abstracts with Programs, Vol. 1, p. 9.

Thomas, R.C., Sears, J.W., Fritz, W.J., Landon, S.C., 2000, Cenozoic extensional history of southwest Montana: GSA Abstracts with Programs, Vol. 32, p. A-40. Landon, C., and Thomas, R.C., 1999, Provenance of gravel deposits in the mid-Miocene Ruby Graben, southwest Montana: GSA Abstracts with Programs, Vol. 37, p. A-292.

Landon, C., and Thomas, R.C., 1999, Geohistory of the mid-Miocene Ruby Graben in southwest Montana: GSA Abstracts with Programs, Vol. 31, p. A-300.

Landon, C., and Thomas, R.C., 1999, Tectonic significance of gravel deposits in the mid-Miocene Ruby Graben, southwest Montana: GSA Abstracts with Programs, Vol. 31, p. A-301.

Thomas, R.C., 1999, Learning geologic time in the field: The “rock project”: GSA Abstracts with Programs, Vol. 31, p. A-390.

Thomas, R.C., 1999, Cambrian mass extinction (“biomere”) boundaries: A review of extinction models: GSA Abstracts with Programs, Vol. 31, p. A-102.

Thomas, R.C., Kauffman, M., Bee, B., Blair, K., Braut, J., Landon, S., Little Owl, B., McDonald, J., Suterwala, S., Vant, K., 1997, Spatial and temporal trends of Cambrian shell concentrations on the craton: Evidence from the northern Rocky Mountains: GSA Abstracts with Programs, Vol. 29, p. A-432.

Thomas, R.C., Easter-Pilcher, A., Kirkley, J., Mock, S., Roberts, S., Ulrich, K., Zaspel, C., 1997, Experiential Environmental Sciences Education at Western Montana College-UM, Dillon, Montana: Montana Academy of Sciences Annual Meeting Proceedings, Billings, MT.

Thomas, R.C., Kirkley, J., Mock, S., Roberts, S., Ulrich, K., Zaspel, C., 1996, The integration of the sciences at Western Montana College-UM, Dillon, Montana: GSA Abstracts with Programs Vol. 28, p. A-358. Backus, D.H., and Thomas, R.C., 1995, Upper Cambrian sedimentation patterns: The view from both sides of the hingeline: GSA Abstracts with Programs, Vol. 27, p. A-2.

Thomas, R.C., 1995, Paleoecological controls on Cambrian mass extinction patterns: GSA Abstracts with Programs, Vol. 27, p. A-58.

Thomas, R.C., 1995, The tectonic significance of Paleogene sandstone in southwestern Montana: GSA Abstracts with Programs, Vol. 27, p. A-58. Oldendorf, W. P., Rogan, J.M., and Thomas, R.C., 1994, Cataclysms on the Columbia: A workshop on pre-college teachers as scholars: American Educational Research Association Annual Meeting.

Thomas, R.C., 1994, The timing of the Sauk II - Sauk III (Upper Cambrian) unconformity in the western United States: GSA Abstracts with Programs, Vol. 26, p. A-122.

Thomas, R.C., 1992, The utility of Cambrian mass extinction boundaries for the correlation of grand cycle boundaries: GSA Abstracts with Programs, Vol. 24, p. A-65.

Thomas, R.C., 1991, The role of carbonate platform destruction in the formation of Cambrian extinction (biomere) boundaries: GSA Abstracts with Programs, Vol. 23, p. A403-404.

Thomas, R.C., 1990, The Upper Cambrian (Dresbachian) Marjumiid-Pterocephaliid mass extinction event in Montana and Wyoming: GSA Abstracts with Programs, Vol. 21, p. A-42.

Thomas, R.C., 1987, Paleontology and carbonate petrology across the base of the Pterocephaliid biomere, southwestern Montana: GSA Abstracts with Programs, Vol. 19, p. A-338. PUBLICATIONS (Edited) The Red Lodge area, Robert C. Thomas and Richard I. Gibson, editors, 2008: Proceedings Volume from the 32nd

Annual Field Conference of the Tobacco Root Geological Society, Northwest Geology, Vol., 37, 172p.

Introduction to the geology of the Dillon area, Robert C. Thomas and Richard I. Gibson, editors, 2007: Proceedings Volume from the 32nd Annual Field Conference of the Tobacco Root Geological Society, Northwest Geology, Vol. 36, 272p.

Geology of the Libby Area, Montana, Richard I. Gibson and Robert C. Thomas, editors, 2006: Proceedings Volume from the 31st Annual Field Conference of the Tobacco Root Geological Society, Northwest Geology, Vol. 35, 122p.

Sun River Canyon and Choteau, Montana, Richard I. Gibson and Robert C. Thomas, editors, 2005: Proceedings Volume from the 30th Annual Field Conference of the Tobacco Root Geological Society, Northwest Geology, Vol. 34, 138p.

White Sulphur Springs, Montana, Richard I. Gibson and Robert C. Thomas, editors, 2004: Proceedings Volume from the 29th Annual Field Conference of the Tobacco Root Geological Society: Northwest Geology, Vol. 33, 110p.

Geology of the Crook in the Snake River Plain, Twin Falls and Vicinity, Idaho, Scott S. Hughes and Robert C. Thomas, editors, 1996: Proceedings Volume from the 21st Annual Field Conference of the Tobacco Root Geological Society: Northwest Geology, Vol. 26, 123p.

Geologic history of the Dillon area, southwestern Montana, Robert C. Thomas, editor, 1996: Proceedings Volume from the 20th Annual Field Conference of the Tobacco Root Geological Society: Northwest Geology, Vol. 25, 93p.

UNPUBLISHED UNDERGRADUATE REPORTS Thomas, R.C., Jensen, A., Jones, M., Martinez, C., Matteson, N., Osburn, T., Tarmichael, M., 2017 Inventory and assessment of Poindexter Slough in the Beaverhead River drainage near Dillon, Montana: Submitted to Mr. Matt Jaeger, Montana Fish, Wildlife and Parks, 218 p. Thomas, R.C., Arnett, C., Baker, A., Cooley C., Edgington, C., Erickson, B., Fitzsimons, A., Galhouse, T., Hall, C.,

Hanson, C., Ley, P., Lybeck, A., McCollum, C., Melin, M., Mock, C., Omelchuck, A., Peltier, J., Pierson, C., Twedt, C., Wise, A., 2015, Inventory and assessment of Poindexter Slough in the Beaverhead River drainage near Dillon, Montana: Submitted to Mr. Matt Jaeger, Montana Fish, Wildlife and Parks, 512 p. Thomas, R.C., Grubb, C.B., and Craddock, M.J., 2015, Inventory and assessment of a portion of Long Creek in the Centennial Valley, Montana: Submitted to Mr. Nathan Korb, The Nature Conservancy, 176 p. Thomas, R.C., Barnes, R., Bryers, J., Crandall, S., Heald, J., Heinen, C., Heiner, J., Iverson, K., Kidrick, K., Kindle, S., Maslen, S., Mitchell, S., Otto, R., Phillips, Z., Reimnitz, Z., Schroeder, B., and Tropea, W., 2014, Inventory and assessment of Poindexter Slough in the Beaverhead River drainage near Dillon, Montana: Submitted to Mr. Matt Jaeger, Montana Fish, Wildlife and Parks, 476 p.

Thomas, R.C., Bartlett, L., Bronson, R., Cavill, C., Cottom, J., Grubb, C., Joramo, S., Lang, D., Langel, C., Linse, T., Morrison, L., Munar, J., Shepard, L., Zettel, A., 2013, Inventory and assessment of a portion of Steel Creek in the Big Hole River drainage near Wisdom, Montana: Submitted to Mr. Jim Magee, U.S. Fish and Wildlife Service, 325 p.

Thomas, R.C., Allen, B., Bolduc, N., Craddock, M., Creger, C., Feldhaus, K., Heinen, K., Joramo, S., Kidrick, K., Ley, P., Linse, T., McHugh, C., Morrison, L., and Williams, E., 2013, Geologic History of the Dillon Area: Public access document, 28 p.

Thomas, R.C., Bleazard, T., Bragg, K., Craddock, M., Dalton, R., Haerr, J., Lorang, C., and Shortman, B., 2012, Inventory and assessment of a portion of Rock Creek in the Big Hole River drainage near Wisdom, Montana: Submitted to Mr. Jim Magee, U.S. Fish and Wildlife Service, 222 p.

Thomas, R.C., Caltrider, M., Feldhaus, K., Granby, H., Hood, T., Job, B., Jorgensen, J., Mallory, T., McHugh, C., Newton, W., Pace, J., Sieges, A., and Webb, G., 2011, Inventory and assessment of a portion of Swamp Creek in the Big Hole River drainage near Wisdom, Montana: Submitted to Mr. Jim Magee, U.S. Fish and Wildlife Service, 254 p. Thomas, R.C., and Newton, W., 2011, Inventory and assessment of a portion of Long Creek in the Centennial Valley, Montana: Submitted to Mr. Nathan Korb, The Nature Conservancy, 140 p.

Thomas, R.C., Bailey, R., Dvoroznak, A., Feldhaus, A., Hagel, M., Hansen, J., Lohrey, M., Marks, W., Roth, T., Tate, K., and Torske, B., 2010, Inventory and assessment of the McDowell Reach of the Big Hole River between the Rock Creek and Wisdom Bridges, southwest Montana: Submitted to Mr. Jeff Everett, U.S. Fish and Wildlife Service, 148 p.

Thomas, R.C., Anderson, L., Christian, B., Granby, H., Hansen, J., Helmers, E., Hunt, R., Johnson, D., Mitchell, T., Pace, J., Rosenkrance, B., Seal, D., Tate, K., Ternes, I., Torske, B., and Wunderlich, S., 2010, Management plan for a portion of Long Creek in the Centennial Valley, southwest Montana: Submitted to Mr. Nathan Korb, The Nature Conservancy, 67 p.

Thomas, R.C., Buckmaster, J., Christian, B., Helmers, E., Hill, J., Johnson, D., Keller, S., Rosenkrance, B., Sladek, H., and Wunderlich, S., 2009, Inventory and assessment of a portion of Long Creek in the Centennial Valley: Submitted to Mr. Nathan Korb, The Nature Conservancy, 87 p.

Thomas, R.C., Anderson, L., Buckmaster, J., Christian, B., Dumke, W., Helmers, E., Hill, J., Johnson, D., Keller, K., Keller, S., Reiss, H., Rosenkrance, B., Seal, D., Sladek, H., and Wunderlich, S., 2009, Inventory and assessment of a portion of Swamp Creek in the Big Hole River drainage near Wisdom, Montana: Submitted to Mr. Jeff Everett, U.S. Fish and Wildlife Service, 160 p.

Thomas, R.C., Courture, S., Fuhrman, C., Hunt, R., Mullaney, T., Nulph, T., Roback, K., Schwartz, K., Shimer, L., Ternes, I., and Wilson, S., 2008, Inventory and assessment of the McDowell Reach of the Big Hole River between the Rock Creek and Wisdom Bridges, southwest Montana: Submitted to Mr. Jeff Everett, U.S. Fish and Wildlife Service, 148 p.

Thomas, R.C., Bauerle, A., Bradford, B., Christian, A., Edwards, T., Etienne, T., Cox, G., Fox, S., Hanson, B., Hartmann, J., Koerner, M., Kostrba, J., Nye, K., Olind, S., Rose, A., Rife, M., and Wade, T., 2007, Inventory and assessment of the McDowell reach of the Big Hole River between the Rock Creek and Wisdom Bridges, southwest Montana: Submitted to Mr. Jeff Everett, U.S. Fish and Wildlife Service, 114 p.