TY  - RPRT
TI  - A descriptive catalog of selected aerial photographs of geologic features in areas outside the United States
AU  - C.R. Warren
AU  - D. L. Schmidt
AU  - C. S. Denny
AU  - W.J. Dale
PY  - 1969
DO  - 10.3133/pp591
UR  - https://pubs.usgs.gov/publication/pp591
ID  - pp591
ER  -