TY  - RPRT
TI  - Surface water supply of the United States, 1957, part 5, Hudson Bay and upper Mississippi River Basins
AU  - J. V. B. Wells
PY  - 1959
DO  - 10.3133/wsp1508
UR  - https://pubs.usgs.gov/publication/wsp1508
ID  - wsp1508
ER  -