Topographic surveying; including geographic, exploratory, and military mapping, with hints on camping, emergency surgery, and photography . Q^ Hachure. Contour200 ft. Scede 1 Inch-1 mile interval 500 ft. Contour-intenral:80ft. Contour interval: 120ft. Fig. 143. — Hachured and Contoured Hill on Different Scales. (After S. EnthoflEer.)

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