Alternate title: Illustrating the distribution of road materials in northern Indiana. At head of alternate title: Fig. 23A. Shows areas of abundant and sufficient gravel and stone-crushing plants. 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 160.Imprint: [Indianapolis] : [Indiana Dept. of Geology and Natural Resources], [1906]Dimensions: on sheet 23 x 27 cmJPEGG4091.H5 1905 .M37engIndiana. Department of Geology and Natural ResourcesPublicSand and gravel plantsRoad materialsMap of counties in northern Indiana showing distributiion of road-materialsMapsIndiana1906Indiana University