Davies, Charles, 1798-1876 · New York, Cincinnati [etc.] American book company · leaf 286
e distances taken fromthe section-level notes. The third column is for the cut orfill, corresponding to the distance in the first column; thesenumbers also being taken from the notes of the section level. A filling, it should be remarked here, is designated as aminus cutting in the field-notes. The… … ^ Let Figure 147 represent a section across a road excavation.AB being the bed of the road, and 8C8 the line of the naturalsurface. The road-bed is supposed to be 16 feet wide, the centrecutting 12.4 feet, and the ratio of slope IJ to 1. The level being set up and adjusted in a convenient place,…
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