TY  - RPRT
TI  - Summary of activities, U.S. Geological Survey Saudi Arabian project, 1950 to 1974
AU  - Thor H. Kiilsgaard
PY  - 1974
DO  - 10.3133/ofr74129
UR  - https://pubs.usgs.gov/publication/ofr74129
ID  - ofr74129
ER  -