Date of Award
Eugene S. Perry
The Three Forks are includes parts of Jefferson, Madison, Broadwater Pond Gallatin counties, Montana. Sedimentary formations lie at the surface nearly everywhere in the area, and the rugged surface topography has been developed through the folding and tilting of these formations and their differential erosion.
Lillis, H. E., "Geologic Field Mapping in an Area Eight Miles North of Three Forks, Montana" (1942). Bachelors Theses and Reports, 1928 - 1970. 160.
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