@misc{indiciae140b0b9d2e6e, title = {Ground-water conditions during 1969, Vandenberg Air Force Base area, California}, author = {J. H. Koehler}, year = {1971}, doi = {10.3133/ofr71172}, url = {https://pubs.usgs.gov/publication/ofr71172}, note = {Source identifier: ofr71172} }