TY  - RPRT
TI  - Maps showing geology, oil and gas fields and geological provinces of Africa
AU  - F.M. Persits
AU  - Thomas S. Ahlbrandt
AU  - Michele L. Tuttle
AU  - Ronald R. Charpentier
AU  - Michael E. Brownfield
AU  - Kenneth I. Takahashi
PY  - 1998
DO  - 10.3133/ofr97470a
UR  - https://pubs.usgs.gov/publication/ofr97470A
ID  - ofr97470A
ER  -