TY  - RPRT
TI  - Preliminary geologic map of region east of Sa'dah, Yemen Arab Republic, Landsat-1 image No. 1117-06553
AU  - Maurice J. Grolier
AU  - William C. Overstreet
PY  - 1976
DO  - 10.3133/ofr76740
UR  - https://pubs.usgs.gov/publication/ofr76740
ID  - ofr76740
ER  -