TY  - RPRT
TI  - Water levels and artesian pressure in observation wells in the United States, 1940, Part 3, North-Central States
AU  - Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey
PY  - 1942
DO  - 10.3133/wsp908
UR  - https://pubs.usgs.gov/publication/wsp908
ID  - wsp908
ER  -