TY - RPRT TI - Lithologic and geophysical logs of 16 coal test holes drilled in the Rock Springs coal field, Sweetwater County, Wyoming AU - Marvin L. Schroeder PY - 1978 DO - 10.3133/ofr78659 UR - https://pubs.usgs.gov/publication/ofr78659 ID - ofr78659 ER -