TY - RPRT TI - Surface water supply of the United States, 1936, Part V, Hudson Bay and upper Mississippi River basin AU - Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey PY - 1938 DO - 10.3133/wsp805 UR - https://pubs.usgs.gov/publication/wsp805 ID - wsp805 ER -