TY - RPRT TI - Water resources data, North Dakota, water year 1981, Volume 1. Hudson Bay Basin AU - Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey PY - 1982 DO - 10.3133/wdrnd811 UR - https://pubs.usgs.gov/publication/wdrND811 ID - wdrND811 ER -