TY  - RPRT
TI  - Geological Survey research 1960; Short papers in the geological sciences
AU  - Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey
PY  - 1960
DO  - 10.3133/pp400b
UR  - https://pubs.usgs.gov/publication/pp400B
ID  - pp400B
ER  -