Elements of military sketching and map reading (1917)
Barnes, John Bryson, 1876- · New York : D. Van Nostrand · leaf 40
ORIENTATION 31 the direction line on the map do not coincide the mapis not oriented. Resection is a method of locating unknown pointsby taking bearings of two or more known points (Fig,18). You think you are on some point of the roadA—B, and vou want to locate your exact position on … Fig. 19. the map. Facing B there are two distinct landmarkson the left,—the top of the hill (X) and the cottagein front of the pine-wood, both of which you canlocate on your map and identify on the ground. Keep-ing the map oriented, sight towards the hill until thepoint (X) on the map and the…
Military topography · Maps, Military
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