@misc{indiciae30a1a8ab5023, title = {New information resources of the U.S. Geological Survey Library System, September 1989}, author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey}, year = {1989}, doi = {10.3133/ofr89400i}, url = {https://pubs.usgs.gov/publication/ofr89400I}, note = {Source identifier: ofr89400I} }