TY - RPRT TI - Surface water supply of the United States, 1943, Part V, Hudson Bay and upper Mississippi River basin AU - Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey PY - 1945 DO - 10.3133/wsp975 UR - https://pubs.usgs.gov/publication/wsp975 ID - wsp975 ER -