@misc{indiciae4b820e2bec2c, title = {Water levels and artesian pressures in observation wells in the United States, 1951, Northwestern States}, author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey}, year = {1954}, doi = {10.3133/wsp1195}, url = {https://pubs.usgs.gov/publication/wsp1195}, note = {Source identifier: wsp1195} }