TY - RPRT TI - Surface water supply of the United States, 1916, Part V, Hudson Bay and upper Mississippi River basin AU - Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey PY - 1918 DO - 10.3133/wsp435 UR - https://pubs.usgs.gov/publication/wsp435 ID - wsp435 ER -