TY - RPRT TI - Water resources data for Montana, water year 1987. Volume 1. Hudson Bay and Missouri River Basins AU - Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey PY - 1988 DO - 10.3133/wdrmt871 UR - https://pubs.usgs.gov/publication/wdrMT871 ID - wdrMT871 ER -