TY - RPRT TI - Water levels and artesian pressure in observation wells in the United States in 1943, Part 3, North-Central States AU - O. E. Meinzer AU - L.K. Wenzel PY - 1946 DO - 10.3133/wsp988 UR - https://pubs.usgs.gov/publication/wsp988 ID - wsp988 ER -