TY  - RPRT
TI  - Surface water supply of the United States, 1958, Part 5, Hudson Bay and upper Mississippi River basins
AU  - J. V. B. Wells
PY  - 1960
DO  - 10.3133/wsp1558
UR  - https://pubs.usgs.gov/publication/wsp1558
ID  - wsp1558
ER  -