TY - RPRT TI - Water levels and artesian pressure in observation wells in the United States, 1941, Part 5, Northwestern States AU - Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey PY - 1942 DO - 10.3133/wsp940 UR - https://pubs.usgs.gov/publication/wsp940 ID - wsp940 ER -