TY  - RPRT
TI  - Progress report on geologic investigation of the Yuma area and the East Mesa area of Imperial Valley
AU  - F. H. Olmsted
AU  - J. H. Robison
PY  - 1964
DO  - 10.3133/ofr64120
UR  - https://pubs.usgs.gov/publication/ofr64120
ID  - ofr64120
ER  -