00925cam a22002531 4500 gs 38000281 DLC 20260227111343.0 751006s1938 dcuabdf f000 0 eng c gs 38000281 (OCoLC)1678200 U. S. Geol. Survey Library TxArU OCoLC DLC premarc QE75 .B9 no. 902 Eckel, Edwin Butt, 1906- The brown iron ores of eastern Texas, by Edwin B. Eckel. Washington, U.S. Govt. Print. Off., 1938. vi, 157 p. incl. illus., tables. 20 pl. (incl. fold. maps, fold. diagr.) 23 cm. Geological Survey (U.S.). Bulletin 902 At head of title: United States Department of the Interior ... Geological Survey ... Three of the folded maps are in pocket. Bibliographical foot-notes. Iron ores Texas. 27492 27492