TY  - RPRT
TI  - Index of surface-water records to September 30, 1955. Part 5 - Hudson Bay and upper Mississippi River basins
AU  - H. F. Matthai
PY  - 1956
DO  - 10.3133/cir385
UR  - https://pubs.usgs.gov/publication/cir385
ID  - cir385
ER  -