Relief shown by contours. Contour interval 10 feet. Shows proposed canal routes, proposed dam location, and power house. At head of title: "Fig. 4." Detached from: Water power of Indiana / W.M. Tucker. In Indiana Department of Geology and Natural Resources thirty-fifth annual report, 1910. Indianapolis: Wm. B. Burford, 1911. Page 52.
Imprint: [Indianapolis] : [Indiana Department of Geology and Natural Resources], [1911]; Imprint: [Indianapolis] : [Wm. B. Burford], [1911]
Dimensions: 28 x 23 cm