TY - RPRT TI - Hydrology of area 50, Northern Great Plains and Rocky Mountain coal provinces, Wyoming and Montana AU - Marlin E. Lowry AU - James F. Wilson AU - and others PY - 1983 DO - 10.3133/ofr83545 UR - https://pubs.usgs.gov/publication/ofr83545 ID - ofr83545 ER -