Maps of Indiana counties showing surface drainage are being constructed from airphotos; maps are valuable in determining watershed areas, planning highway routes, identifying soils, locating construction materials, etc; examples of base map and drainage maps illustrated; during development of maps, it became evident that definite drainage patterns are repeated in soils and rocks of like textures.
Aerial drainage maps in Indiana
Better Roads
Better Roads ; 18 , n 6
1948
Article (Journal)
English
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Surface drainage maps from aerial photographs
Engineering Index Backfile | 1948
|GWLB - Gottfried Wilhelm Leibniz Bibliothek | 1983
|GWLB - Gottfried Wilhelm Leibniz Bibliothek | 1979
|Online Contents | 1998