TY  - RPRT
TI  - Index maps for large-scale vertical black and white aerial photographs along the Elsinore, San Jacinto, and Imperial faults, California
AU  - Charles W. Hedel
PY  - 1979
DO  - 10.3133/ofr79285
UR  - https://pubs.usgs.gov/publication/ofr79285
ID  - ofr79285
ER  -