TY  - RPRT
TI  - Total-count gamma radiation map of the Zwedru Quadrangle, Liberia
AU  - C.S. Wotorson
AU  - John C. Behrendt
PY  - 1974
DO  - 10.3133/i777c
UR  - https://pubs.usgs.gov/publication/i777C
ID  - i777C
ER  -