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1by Hutchison, Harold Christy, 1925-Subjects: “...Geology Indiana Parke County....”
Published 1976
Book -
2by Hutchison, Harold Christy, 1925-Subjects: “...Coal Geology Indiana Vigo Co. Maps....”
Published 1958
Map -
3by Hutchison, Harold Christy, 1925-Subjects: “...Geology Indiana Brazil Regions....”
Published 1960
Book