00742cam a2200229 4500 gs 68000216 DLC 20260227111422.0 700508s1967 aluab b 00010 eng c gs 68000216 //r84 U.S. Geological Survey Library TN939 .S96 Szabo, Michael W. Sand and gravel in Alabama; a summary report, by Michael W. Szabo. University, Ala., 1967. 41 p. illus., 2 col. maps (1 fold. in pocket) 23 cm. Alabama. Geological Survey. Circular 44 Bibliography: p. 15-16. Sand Alabama. Gravel Alabama. Circular (Geological Survey of Alabama) ; 44. 30453 30453