Finch, James Kip, 1883- · New York : John Wiley & Sons, Inc. · leaf 51
to make relief models, but the layer idea is one which is oftenof assistance in forming a mental picture from the contours.It is the basis for at least two systems of contour rendering. Fig. 16 shows the so-called layer system for contourmaps. The lower levels appear with a light tint which in- 32… … Fig. 15.—Construction of a Relief Model. phies and is used on the International Map of the World.On this map the layers are tinted on a modified prismaticscheme of colors, the ocean being blue, lowlands green, fol- CONTOUR AIDS 33 lowea by yellow-brown tints of increasing strength withthe highest…
Cartography · Military maps
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