International Correspondence Schools · Scranton, Pa. : The Colliery engineer co. · leaf 202
5-i. sand bars. The dotted outlines beyond the shore linesrepresent either shoals or sunken rocks. … Fig. 353. Rivers have their shore lines treated in the same manneras the sea-shore,, as shown in Fig. 353. Large brooks are represented by two parallel lines; smallbrooks by a single line. 792 MAPPING. 1381. (J rounds and Gardens.— Grounds and gar-dens arc represented in plan as follows: The…
Railroad engineering
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