Surveying ; a manual of practical instruction in the art of plane surveying, including plotting, leveling, triangulation, line running, cross-sectioning, traversing, and other details of field work (1910)
American School of Correspondence, Phillips, Alfred Edward, 1863- [from old catalog] · Chicago, American school of correspondence · leaf 32
20 and forthe re(juired area, subtract Lt Ffrom the area previously found.Since the long diaiJonals are notaccessible, measure the area bymeasuring the interior tie-lines;remembering that the requirednumber of tie-lines will be lessby ;3 than the number of sidesenclosinjj the area. Example. Given… … FIk. 17.
Surveying
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