TY  - RPRT
TI  - Total-count gamma radiation map of the Monrovia quadrangle, Liberia
AU  - John Charles Behrendt
AU  - Cletus S. Wotorson
PY  - 1971
DO  - 10.3133/ofr7134
UR  - https://pubs.usgs.gov/publication/ofr7134
ID  - ofr7134
ER  -