00784cam a22002411 4500 gs 65000234 DLC 20260227111416.0 771213s1965 aluab s000 0 eng c gs 65000234 (OCoLC)3489618 U.S. Geological Survey Library ABAU DLC premarc TN271.P4 M3 MacElvain, Robert C. Reconnaissance radiation survey of Marion County, Alabama, by Robert C. MacElvain. University, Ala., 1965. 9 p. illus., maps (1 fold. col. in pocket) 23 cm. Geological Survey of Alabama. Circular 31 Bibliography: p. 9. Geophysics Alabama Marion County. Radioactive prospecting. 30037 30037