TY  - RPRT
TI  - National Cartographic Information Center (NCIC)
AU  - Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey
PY  - 1976
DO  - 10.3133/70039208
UR  - https://pubs.usgs.gov/publication/70039208
ID  - 70039208
ER  -