@misc{indiciae8eb4848da90b, title = {United States Geological Survey Annual Report Fiscal Year 1976}, author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey}, year = {1977}, doi = {10.3133/70039030}, url = {https://pubs.usgs.gov/publication/70039030}, note = {Source identifier: 70039030} }