TY  - RPRT
TI  - Geologic investigations in the American Republics 1944-1945
AU  - Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey
PY  - 1947
DO  - 10.3133/b946
UR  - https://pubs.usgs.gov/publication/b946
ID  - b946
ER  -