Description: Only the partial net sand map for the Lower Pennsylvanian (Cleaves, 1983) was found and digitized.
Copyright Text: Cleaves, A., 1983, Carboniferous terrigenous clastic facies, hydrocarbon production zones, and sandstone provenance, northern shelf of Black Warrior Basin: Gulf Coast Association of Geological Societies Transactions, v. 33, p. 41–52