TY  - RPRT
TI  - Preliminary Bouguer anomaly map of the Monrovia region of Liberia
AU  - John C. Behrendt
AU  - C.S. Wotorson
PY  - 1969
DO  - 10.3133/ofr6917
UR  - https://pubs.usgs.gov/publication/ofr6917
ID  - ofr6917
ER  -