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A treatise on surveying ; in which the theory and practice are fully explained (1860)
Alsop, Samuel · Philadelphia, E. C. & J. Biddle & co. · leaf 152
576 P. © 7 1150 675 0(8) 432 (11) 0(9) 1285 (8) 565 1000 9600(7) 155 (10)L. of(7,5) 0(7)1315 (4) 562 390 282 313 (10) 0(5). E. of (4) Area 12 A., 3 E., 18.1 P. Ex. 4. Eequired the plan and areas of the adjoining fieldsfrom the following field-notes, tracing thereon the courseof the brooks. 0(7)… … Area 14 A., 3E., 28.24 P. Area 15 A., 2 E., 7 P. Note.—In the above field-notes the marginal references, such as Brook46.7, means to the point in -which the brook crosses the line (6.7.) 150 CHAIN SURVEYING. [Chap. IV. Fig. 110. 256. Second Method.—Instead of running diagonals, it maysometimes be…Surveying
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