AUTHOR: Geological Survey Ohio. TITLE: Report of progress in 1870. IMPRINT: Columbus: Nevins & Myers, 1871. COLLATION: 1 v. and atlas.: ill.; 24 cm. HOLDINGS: Lack atlas. KEYWORDS: 1. Geology--Ohio. 2. Agriculture--Ohio. 3. Iron industry and trade--Ohio. LOCATION:QE151.A122 1871