A treatise on surveying, comprising the theory and the practice ; (1887)
Gillespie, W. M. (William Mitchell), 1816-1868, Staley, Cady, 1840- [from old catalog] ed · New York, D. Appleton and company · leaf 167
ch willfix the point 3. Join2....3 ; and so pro-ceed, setting off northlatitudes along themeridian upward, andsouth latitudes alongit downward ; eastdepartures perpendicularly to the right, and west departures per-pendicularly to the left. The advantages of this method are its rapidity, ease, and… … CALCULATING THE CONTENT. 247. Methods. When a field has been platted, by whatevermethod it may have been surveyed, its content can be obtainedfrom its plat by dividing it up into triangles, and measuring on theplat their bases and perpendiculars ; or by any of the other meansexplained in Chapter…
Surveying
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