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 426
sides of the field, so as to inclose it in a rectangle, if •n t^v aao Fig. 443. possible, as in .big. 443. Place the stakes equidistant,so that the imaginary visuallines connecting them woulddivide the surface into rec-tangles. Send the rod alongone of these lines till it getsin the range of a… … 624. On a Single Hill. Proceed thus : From its top, range linesdown the hill, in various directions, and take their bearings. Setstakes on them at each change of slope, and note the heights anddistances of these stakes from the starting-point, and plat theirplaces. The contour-lines are then put in…
Surveying
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