TY  - RPRT
TI  - Water levels and artesian pressure in observation wells in the United States, 1941, Part 3, North-Central States
AU  - Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey
PY  - 1943
DO  - 10.3133/wsp938
UR  - https://pubs.usgs.gov/publication/wsp938
ID  - wsp938
ER  -