Raymond, William Galt, 1859-1926, Raymond, William Galt, 1859-1926. cre · New York, J. Wiley & sons, inc · leaf 336
, except that in side hill sections a grade hub and guardstake are driven at G (in Fig. 96 at A). In Fig. 94 no stakes are set for the heights a, b, e, /, and g, be-cause these would be removed or covered in the grading, andthe measurements are made only for the purpose of getting thearea of the… … hi / ;A \ Ari Fig. 91 Fig. 92
Railroad engineering
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