01089cam a22002651 4500 gs 61000249 DLC 20260227111410.0 780914s1960 inuab b s000 0 eng gs 61000249 (OCoLC)4224969 DLC UU OCoLC DLC premarc QE109 .A32 no. 20 557.722 Gray, Henry Hamilton, 1922- Geology of the Huron area, south-central Indiana / by Henry H. Gray, Robert D. Jenkins [and] Robert M. Weidman. Bloomington : State of Indiana, Dept. of Conservation, Geological Survey, 1960. 78 p. : illus., maps (1 fold. col. in pocket), diagrs., tables ; 23 cm. Indiana. Geological Survey. Bulletin no. 20 With : Minerals of Indiana. Bloomington : State of Indiana, Dept. of Conservation, Geological Survey, 1960. Bound together subsequent to publication. DLC Bibliography: p.62-64. Geology Indiana Huron area. Huron area, south-central Indiana. 29562 29562