The Authors at Clark's Lookout
About the Authors:
Drs. Sheila Roberts and Rob Thomas have over 30 years of collected experience studying the geology of Montana and teaching students, other geologists, and the general public. In 1999 and 2000, they co-lead two week-long field trips for the Geological Society of America that were centered on the geology of the Lewis and Clark Trail from the Three Forks of the Missouri to Lewiston, Idaho on the Columbia River. Their field trip from Three Forks to Clark Canyon Reservoir, in southwest Montana, was published in 2000 and is available for sale at The Montana Bureau of Mines and Geology, in Butte:
Thomas, Robert C., and Roberts, Sheila, 2000, Geology of the Lewis and Clark Trail: The Three Forks of the Missouri River to Camp Fortunate: Geological Society of America Rocky Mountain Section Meeting 2000 Guidebook, p. 207-233.
Sheila Roberts is a Professor of Geology at University of Montana Western in Dillon. Sheila grew up at St. Ignatius, Montana. Her family has been in Montana for four generations, since her great grandparents arrived in the Bitterroot Valley in the1860s.
Sheila earned a Bachelors degree in English at Montana State University and a Masters degree in Geology from The University of Montana Missoula. Her work experience includes about five years as in industry geologist exploring for minerals and petroleum in western and southeastern Montana, among other places. She then spent seven years as Associate Editor for the Montana Bureau of Mines and Geology and Editor and Publications Manager for the Geological Survey of Wyoming. After earning her Ph.D. in Geochemistry at the University of Calgary, she returned to Montana and has taught at Western for eight years.
Rob Thomas is a Professor of Geology at University of Montana Western, where he has taught for ten years. Rob is one of our most successful California transplants, coming here originally to do a Masters Degree in Geology at the University of Montana Missoula. After completing his Ph.D. in Geology at the University of Washington in Seattle, he returned to Montana, where he had done much of his doctoral dissertation fieldwork. Rob teaches geology field camps in the summer for Princeton University