The technic of mechanical drafting a practical guide to neat, correct, and legible drawing (1904)
Reinhardt, Chas. William (Charles William), b. 1858 · New York, The Engineering News Pub. Co. · leaf 37
has been set forth by Figs. 29 and 33, and is indicated here by Fig.67. The features which are shown upon any map may be classed in … Salt WaterMarsh. Fig. 68. three groups, and where coloring is to be employed may be indi-cated by suitable tints, as 1. Water; (blue) represented by seas, lakes, ponds, streams,canals, swamps, etc. 2. Relief; (brown) mountains, valleys, cliffs, etc. 3. Culture (black) represents works of man, such…
Mechanical drawing
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