Wentworth, G. A. (George Albert), 1835-1906 · Boston, Ginn · leaf 104
treets or changes inexisting streets. If a proposed town or city is to be laidout, the general contour of the ground and location of thesite determine to a great extent the system of streets to beadopted. Experience has shown that wherever possible arectangular system of street lines, with a few… … C-O-l-1- 6-ff-e Sewer i^r^^^sit^t^TQ^^^: Fi<;. 65 to 15 feet. The principal improvements of streets are grad-ing, paving, setting curbs, laying sidewalks, constructingsewers, and laying water pipes. 96 SURVEYING The field work necessary for all these may be includedunder the heads of leveling,…
Surveying
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