@misc{indiciae796e4f4313fb, title = {New information resources of the U.S. Geological Survey Library System, June 1986}, author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey}, year = {1986}, doi = {10.3133/ofr86400fg}, url = {https://pubs.usgs.gov/publication/ofr86400FG}, note = {Source identifier: ofr86400FG} }