Petroleum Possibilities Of Alabama: Pt. I, Northern Alabama, By Douglas R. Semmes, Professor Of Geology And Mineralogy, University Of Alabama ... Pt. ... (Alabama. Geological Survey. Bulletin)|Douglas Ramsay Semmes.

Petroleum Possibilities Of Alabama: Pt. I, Northern Alabama, By Douglas R. Semmes, Professor Of Geology And Mineralogy, University Of Alabama ... Pt. ... (Alabama. Geological Survey. Bulletin)|Douglas Ramsay Semmes.