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| | Rob Thomas (Site not responding. Last check: 2007-10-13) |
 | | 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. |
 | | Thomas, R.C., Sears, J.W., Fritz, W.J., Landon, S.C., 2000, Cenozoic extensional history of southwest Montana: Geol. |
 | | Spatial and temporal trends of cambrian shell concentrations on the craton: Evidence from the northern Rocky Mountains: Geol. |
| www.umwestern.edu /envirosci/rob/thomas.html (1243 words) |
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