@misc{indiciae708c5a22ea64, title = {Water levels and artesian pressure in observation wells in the United States, 1950, Part 5, Northwestern States}, author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey}, year = {1952}, doi = {10.3133/wsp1169}, url = {https://pubs.usgs.gov/publication/wsp1169}, note = {Source identifier: wsp1169} }