TY  - RPRT
TI  - U.S. Geological Survey yearbook, fiscal year 1993: At work across the Nation
AU  - Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey
PY  - 1994
DO  - 10.3133/7000094
UR  - https://pubs.usgs.gov/publication/7000094
ID  - 7000094
ER  -