Chicago : Engineering and Contracting Pub. Co. · leaf 435
s of lath yarn or wireabout 2 ft. apart. Mats shall be from 9 to 12ins. thick, unless otherwise ordered, and not lessthan 12 ft. long. Rock shall be hard, durable, and of a kindthat will not disintegrate on exposure to the ac-tion of the water or atmosphere, and in piecesweighing from 5 to 100… … Fig. 1—Sketch Showing Typical Plan of Mississippi Improvement Under Old 4|2 Ft. Project. project to cost $20,000,000, if carried out in10, 15 or 20 years. This project differs withthe former one mainly in decreasing the pro-posed channel width by lengthening the wing-dams, thus securing further…
Buildings
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