TY - RPRT TI - New information resources of the U.S. Geological Survey Library System, August 1990 AU - Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey PY - 1990 DO - 10.3133/ofr90400h UR - https://pubs.usgs.gov/publication/ofr90400H ID - ofr90400H ER -