t below the sur- pipe in a semi-liquid state, and readily carried to the face of the water, in order to secure sufficient "filling" average depth of the harbor to be at least 35 feet. An idea of the extent of the project can be gained point of discharge. Each of the excavators is moored for the… … Agitator Lilted, Showing Design of Cutting* Head. The Agitator and Suction Pipe Submerged and in Operation. BUILDING A TOWN SITE BY SUCTION DREDGE.
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