Finch, James Kip, 1883- · New York : John Wiley & Sons, Inc. · leaf 37
be, above thezero level, which is usually the level oi the sea. Contoursare sometimes described as successive shore lines and it istrue that the zero contour will be a shore line and that if weimagine the level of the sea to be raised 1000 feet the newshore line will be the 1000-foot contour and… … Fig. 8.—Showing Principles of Contours. Some of the fundamental characteristics of contourscan be shown by the experiment illustrated in Fig. 8. (a) Shows a perspective view of a box the front of whichis glass and in which there are placed three solids as shown,a right cone, a slanting cone and a…
Cartography · Military maps
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