@misc{indiciae2851a699d181, title = {New information resources of the U.S. Geological Survey Library System, August 1989}, author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey}, year = {1989}, doi = {10.3133/ofr89400h}, url = {https://pubs.usgs.gov/publication/ofr89400H}, note = {Source identifier: ofr89400H} }