"NOTE - The eastern outcrop of the Knobstone is from map by Ind. Univ. Geol. Surv. Eastern outcrop of Devonian surveyed by J. A. Price. Eastern outcrop of Upper Silurian from map by August Foerste. Devonian and Niagra parting in Fourteen Mile Creek valley, by E. M. Kindle." Detached from: The Silver Creek hydraulic limestone of southeastern Indiana / C. E. Siebenthal. In Indiana Department of Geology and Natural Resources twenty-fifth annual report ... 1900. Indianapolis : Wm. B. Burford, 1901. Page 348.
Imprint: Indianapolis, Ind. : Wm. B. Burford, Lith., [1901]
Dimensions: 47 x 38 cm