TY  - RPRT
TI  - Geology of the Zwedru Quadrangle, Liberia
AU  - Eric R. Force
AU  - Helen Marie Beikman
PY  - 1974
DO  - 10.3133/ofr74307
UR  - https://pubs.usgs.gov/publication/ofr74307
ID  - ofr74307
ER  -