"Field Operations Bureau of Soils, 1915"--Lower margin. Detached from: Soil survey of Grant County, Indiana / L.A. Hurst [and others]. In 40th Annual report of Department of Geology and Natural Resources, Indiana ... 1915. [Fort Wayne, Indiana] : Fort Wayne Printing Company, 1916. Page 73. Imprint: [Indianapolis] : Indiana Department of Geology, [1916]; Imprint: [Fort Wayne] : [Fort Wayne Printing Company], [1916] Dimensions: 46 x 53 cm