TY  - RPRT
TI  - New information resources of the U.S. Geological Survey Library System, September 1987
AU  - Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey
PY  - 1987
DO  - 10.3133/ofr87400i
UR  - https://pubs.usgs.gov/publication/ofr87400I
ID  - ofr87400I
ER  -