Chicago : Engineering and Contracting Pub. Co. · leaf 437
h con-trols the brush and rock barges, and thegrasshopper. On the new large ones re-cently constructed, a set of tilting ways is in-stalled, on which the mattresses, usually about continuous, for dams and shore protections.In shore protection when a very wide mat isneeded, two of these grasshoppers… … Fig. 9—Showing Tow Boat With Two RockBarges Containing 150 Cu. Yds. Each. to 80 men. They are usually two story, 60 to80 ft. long, and 18 to 20 ft. wide. A goodquarterboat can be built and fully equippedfor boarding the laboring force for about$3,500, The government-hired labor plants allhave an…
Buildings
Internet Archive · University of Illinois Urbana-Champaign · Public Domain Mark 1.0. Free to use for anything.
