TY  - RPRT
TI  - Publications of the U.S. Geological Survey, 1971-1981
AU  - Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey
PY  - 1986
DO  - 10.3133/70043706
UR  - https://pubs.usgs.gov/publication/70043706
ID  - 70043706
ER  -