TY  - RPRT
TI  - Preparation of a geologic photo map and hydrologic study of the Yemen Arab Republic
AU  - Maurice J. Grolier
AU  - M. Ibrahim
AU  - W.C. Overstreet
AU  - G. Chase Tibbitts
AU  - D.F. Davidson
PY  - 1978
DO  - 10.3133/ofr78770
UR  - https://pubs.usgs.gov/publication/ofr78770
ID  - ofr78770
ER  -