TY  - RPRT
TI  - Preliminary geologic map of the northwest region, Yemen Arab Republic, Landsat-1, image No. 1136-07012
AU  - Maurice J. Grolier
AU  - William C. Overstreet
PY  - 1976
DO  - 10.3133/ofr76737
UR  - https://pubs.usgs.gov/publication/ofr76737
ID  - ofr76737
ER  -