TY  - RPRT
TI  - Research, investigations, and technical developments; National Mapping Program 1983-84
AU  - Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey
PY  - 1985
DO  - 10.3133/ofr85304
UR  - https://pubs.usgs.gov/publication/ofr85304
ID  - ofr85304
ER  -