The theory and practice of surveying. Designed for the use of surveyors and engineers generally, but especially for the use of students in engineering (1886)
Johnson, J. B. (John Butler), 1850-1902 · New York, J. Wiley & sons · leaf 426
n to4 X 27 108 the nearest tenth of a foot, then the sum of the multiplied corner heights, with the decimal point omitted, is at once the the amount of earthwork in cubic yards. This is a common way of doing this work. In borrow-pits, for which this method is peculiarly fitted, the elementary areas… … on a surface either diagonal may be drawn, which with thebounding lines makes two surfaces. If the ground is quiteirregular, or if the rectangles are taken pretty large, the sur-veyor may note on the ground which diagonal would most 398 SUE VE YING. nearly fit the surface. Let these be sketched in…
Surveying
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
