01011cam a22002771 4500 gs 64000289 DLC 20260227111414.0 761112s1963 aluab b s000 0 eng gs 64000289 (OCoLC)2554760 DLC TClA OCoLC DLC premarc QE82.J4 S5 Simpson, Thomas A 1925- Structural geology of the Birmingham red iron ore district, Alabama, by Thomas A. Simpson. University, Ala., Geological Survey of ALabama, 1963. 17 p. illus., maps (2 fold. l col. in poctket) 23 cm. Alabama. Geological Survey. Circular 21 Prepared by the U. S. Geological Survey in cooperation with the Geological Survey of Alabama. Bibliography: p. 17. Geology Alabama Jefferson County Geology, Structural Geological Survey (U.S.) Birmingham red iron ore district, Alabama. 29876 29876