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Topographic maps and sketch mapping (1920)
Finch, James Kip, 1883- · New York : John Wiley & Sons, Inc. · leaf 82
o © o ooo o© oCO co to CO cot- t- … Fig. 34.—Location of Crest as shown by Contours. The problem of locating the military crest of a ridge does not,therefore, require drawing a profile and it can be easily tracedon a contour map, provided the student understands contoursand is able to picture in his mind the profile of a slope by…Cartography · Military maps
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
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