TY  - RPRT
TI  - Publications of the U.S. Geological Survey, 1989
AU  - Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey
PY  - 1990
DO  - 10.3133/70043725
UR  - https://pubs.usgs.gov/publication/70043725
ID  - 70043725
ER  -