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 398
lai \i LEVELING LOCATION. 383 Fig. 408. In staking out foundation-pits, set temporary stakes exactlyabove the intended bottom angles of the completed pit, thus mark-ing out on the surface of theground its intended shape.Take the heights of each ofthese stakes and move themoutward such distances… … 568. To locate a Level-Line. This consists in determining onthe surface of the ground a series of points which are at the samelevel—i. e., at the same height above some datum. Set one peg atthe desired height, as in Art. 565. Sight to the rod held thereon,and make fast the target when bisected.…
Surveying
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