TY  - RPRT
TI  - U.S. Geological Survey: earth science in the public service
AU  - Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey
PY  - 1987
DO  - 10.3133/7000055
UR  - https://pubs.usgs.gov/publication/7000055
ID  - 7000055
ER  -