TY  - RPRT
TI  - Total-count gamma radiation map of the Bopolu Quadrangle, Liberia
AU  - John C. Behrendt
AU  - C.S. Wotorson
PY  - 1974
DO  - 10.3133/i772c
UR  - https://pubs.usgs.gov/publication/i772C
ID  - i772C
ER  -