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Repair and maintenance of highways (1913) (14783683792)

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Repair and maintenance of highways (1913) (14783683792)

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Identifier: repairmaintenanc48hewe (find matches)
Title: Repair and maintenance of highways
Year: 1913 (1910s)
Authors: Hewes, Laurence I. (Laurence Ilsley), 1876-1950 United States. Bureau of Public Roads
Subjects: Roads Maintenance and repair Dirt roads Maintenance and repair.
Publisher: Washington : U.S. Dept. of Agriculture, Office of Public Roads : G.P.O.
Contributing Library: U.S. Department of Agriculture, National Agricultural Library
Digitizing Sponsor: U.S. Department of Agriculture, National Agricultural Library



Text Appearing Before Image:
with a saw. It is drawn by twohorses and is designed to run at an angle to the axis of the road. Theobject of the drag is to move a small quantity of earth and also topuddle the surface. The two half logs are set parallel, about 3 feetapart, with the smooth sides facing forward, as shown in figure 11.They may be connected with any desired system of braces, about6 inches from the ground, but the drag should be rigid, and that isbest secured by having two diagonal braces. The iron shoe has 1 Cf. I . S. Officeof Public Roads, Circular No. 91, Sand-Clay and Earth Roads in (he Middle West;Circular No. .i/i, Special Road Problems in the Southern States; and V. S. Department of AgricultureFarmers Bulletin No. 311, Sand-Clay and Burnt-Clay Roads. «Cf. U.S. Department of Agriculture Fanners Bulletin 321, The Use of the Split-log Dragon EarthRoads. EARTH ROADS. 45 been successfully made from old wagon tires. In stony soils theiron shoe should extend the entire length of the blade. The position
Text Appearing After Image:
Fig. 11.—Perspective view of split-log drag. of the hitch ring governs the angle at which the drag cuts the road.The angle should be about 45°. There should be a plank for the

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1913
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U.S. Department of Agriculture, National Agricultural Library
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bulletin of the united states department of agriculture 1913
bulletin of the united states department of agriculture 1913