Alternate title: Illustrating the distribution of road materials in northern Indiana. At head of alternate title: Fig. 23. Shows areas of abundant, scarce, and no gravel. Detached from: The roads and road materials of the northern third of Indiana / L.C. Ward. In Indiana Dept. of Geology and Natural Resources thirtieth annual report, 1905. Indianapolis: Wm. B. Burford, 1906. Page 192.
Imprint: [Indianapolis] : [Indiana Dept. of Geology and Natural Resources], [1906]
Dimensions: on sheet 17 x 26 cm