01297cam a22002771 4500 gs 41000012 DLC 20260227111346.0 781117s1940 iluab b 000 0 eng c gs 41000012 (OCoLC)4381222 U.S. Geol. Survey KWiU DLC premarc QE106.A6 W4 551.70977399 Weller, J. Marvin (James Marvin), 1899- Preliminary geological map of parts of the Alto Pass, Jonesboro, and Thebes Quadrangles, Union, Alexander, and Jackson counties. By J. Marvin Weller and George E. Ekblaw. Revised in part from map by T. E. Savage. Explanation and stratigraphic summary by J. Marvin Weller. Printed by authority of the state of Illinois. Urbana, Ill., 1940. 26 p. : illus., fold. map (in pocket) ; 25 cm. Illinois State Geological Survey Report of investigations, no. 70 At head of title: State of Illinois ... Department of registration and education ... Division of the State geological survey ... Bibliographical foot-notes. Geology Illinois. Ekblaw, George E. (George Elbert), 1895-1972, joint author. Savage, Thomas Edmund, 1866- 27687 27687