00896cam a22002411  4500001001300000003000400013005001700017008004100034010001700075035001900092040005000111042001200161050002200173100003000195245006200225260004800287300008600335410004500421500009000466500004400556504003200600650002200632gs 38000281 DLC20260227111343.0751006s1938    dcuabdf      f000 0 eng c  ags 38000281   a(OCoLC)1678200  aU. S. Geol. Survey LibrarycTxArUdOCoLCdDLC  apremarc00aQE75b.B9 no. 9021 aEckel, Edwin Butt,d1906-14aThe brown iron ores of eastern Texas,cby Edwin B. Eckel.  aWashington,bU.S. Govt. Print. Off.,c1938.  avi, 157 p. incl. illus.,btables. 20 pl. (incl. fold. maps, fold. diagr.)c23 cm.20aGeological Survey (U.S.).tBulletinv902  aAt head of title:  United States Department of the Interior ... Geological Survey ...  aThree of the folded maps are in pocket.  aBibliographical foot-notes. 0aIron oreszTexas.