A treatise on surveying ; in which the theory and practice are fully explained (1860)
Alsop, Samuel · Philadelphia, E. C. & J. Biddle & co. · leaf 116
Sec. VI.] MISCELLANEOUS PROBLEMS. 4. In ABD we have the angles and side AB, to find AD= 395.24 and BD = 188.07. 5. In A CD we have the angles and sides AC, to find CD= 379. … Problem 5.—Wishing to obtain the distance between twtrees, C and D, situated on Fig. 74. the side of a bill, and notbeing able to find levelground for a base, I select-ed a gradual slope, on whichI measured the distance AB(Fig. 74) 400 yards. I thentook the horizontal and ver-tical angles as…
Surveying
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