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 128
lengths and relative directions are known. Fig. 81shows a traverse T P R S W X. It is required to locate a point Xfrom T, which cannot be done directly on account of dense mider-brush, woods, and other natural obstriictions. Some other meansmust therefore be provided, which may be in the form of a… … PLANE SURVEYING 117 it is impossiblo to sccim- an iicciiiato line of sight. Severalpoints, therefore, nmstbo estiiblisliud in order to reaeli the desiredspring X. Traversing, as will be evidi-nt, is particixlarlj- a^jplicableto the STirvey of long aiid circxiitons routes throngh territorypresenting…
Surveying
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