TY - RPRT TI - Aeromagnetic and gravity investigations of the basins on the continental shelf and coastal area of Liberia, West Africa AU - John Charles Behrendt AU - Cletus S. Wotorson PY - 1969 DO - 10.3133/ofr6916 UR - https://pubs.usgs.gov/publication/ofr6916 ID - ofr6916 ER -