01230cam a22002771 4500 gs 16000394 DLC 20260227111319.0 781218s1916 iluab s000 0 eng gs 16000394 (OCoLC)4472139 DLC IDeKN OCoLC DLC premarc QE105 .A16 no. 26 Trowbridge, Arthur C. (Arthur Carleton), 1885- Geology and geography of the Galena and Elizabeth quadrangles, by Arthur C. Trowbridge and Eugene Wesley Shaw; History of development of Jo Daviess county, by Bernard H. Schockel, work in cooperation with U. S. Geological survey. Printed by authority of the state of Illinois. Urbana, Illinois State Geological Survey, University of Illinois, 1916. 233 p. illus., 2 fold. maps (in pocket) diagrs. 26 cm. Illinois. State Geological Survey. Bulletin, no. 26 Geology Illinois. Physical geography Illinois. Illinois Description and travel. Shaw, Eugene Wesley, 1881- joint author. Schockel, Bernard Henry. Bulletin (Illinois State Geological Survey) ; no. 26. 25669 25669