TY  - RPRT
TI  - Surface water supply of the United States, 1961-65: Part 5. Hudson Bay and upper Mississippi River basins: Volume 2. Upper Mississippi River basin above Keokuk, Iowa
AU  - Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey
PY  - 1971
DO  - 10.3133/wsp1914
UR  - https://pubs.usgs.gov/publication/wsp1914
ID  - wsp1914
ER  -