Relief shown by contours. Contour interval 20 feet. Shows upper falls dam and proposed lower falls dams now located within the Cataract Falls State Recreation Area in Owen County, Indiana. At head of title: "Fig. 7." Detached from: Water power of Indiana / W.M. Tucker. In Indiana Departmen of Geology and Natural Resources thirty-fifth annual report, 1910. Indianapolis: Wm. B. Burford, 1911. Page 66.Imprint: [Indianapolis] : [Wm. B. Burford], [1911]; Imprint: [Indianapolis] : [Indiana Department of Geology and Natural Resources], [1911]Dimensions: 31 x 25 cmJPEGG4092.O8C2 1910 .T6engIndiana. Department of Geology and Natural ResourcesPublicValleysTopographic map of a portion of Eel River Valley near Cataract, Ind.MapsIndiana--Owen CountyIndiana--Eel River ValleyIndiana1911Indiana University