TY - BOOK AU - Simpson,Thomas A ED - Geological Survey (U.S.) TI - Structural geology of the Birmingham red iron ore district, Alabama, T2 - Alabama. Geological Survey. Circular 21 AV - QE82.J4 S5 PY - 1963/// CY - University, Ala. PB - Geological Survey of ALabama KW - Geology KW - Alabama KW - Jefferson County KW - Geology, Structural N1 - Prepared by the U. S. Geological Survey in cooperation with the Geological Survey of Alabama; Bibliography: p. 17 ER -