TY - RPRT TI - Geology of Big Horn County and the Crow Indian Reservation, Montana, with special reference to the water, coal, oil, and gas resources AU - William Taylor Thom AU - George Martin Hall AU - Carroll H. Wegemann AU - G. F. Moulton PY - 1935 DO - 10.3133/b856 UR - https://pubs.usgs.gov/publication/b856 ID - b856 ER -