Chicago : Engineering and Contracting Pub. Co. · leaf 159
ong which areplaced on edge in the sand at different loca-tions so that the discharge will be held in lit-tle ponds until the material has settled. Thehandling of these requires considerable experi-ence in order to get the best results. Therate of output depends considerably upon thecontrol of the… … Fig. 3—View of Fill Made with Dredge. to 4,500 cu. yds. per day of 24 hours. Theconditions for dredging are ideal, the heavysand pumps easily and settles readily and nounusual difficulties have held up the work sothat its cost has been very low. TJnwatering El Cobre Mines by anAir Lift, with…
Buildings
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