TY - RPRT TI - Hydrology of Area 61, Northern Great Plains and Rocky Mountain Coal Provinces, Colorado and New Mexico AU - P.O. Abbott AU - Arthur L. Geldon AU - Doug Cain AU - Alan P. Hall AU - Patrick Edelmann PY - 1983 DO - 10.3133/ofr83132 UR - https://pubs.usgs.gov/publication/ofr83132 ID - ofr83132 ER -