@misc{indiciae5db96c8eb47a, title = {Publications of the U.S. Geological Survey, 1997}, author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey}, year = {1997}, doi = {10.3133/70043744}, url = {https://pubs.usgs.gov/publication/70043744}, note = {Source identifier: 70043744} }