Dodge, Mary Mapes, 1830-1905 · [New York : Scribner & Co.] · leaf 420
dly. The entire site of the foundations hadbeen surrounded. The greatest difficulty hadbeen to make a joint between the foundation al-ready completed and caisson No. 2. By referringto Figure 2, which is a cross-section of the dam,it will be seen that the down-stream face of thedam was formed with… … WITH A MIGHTY LUNGE THE CAISSON SPLASHED INTO THE RIVER. material that had drifted over the toe. Strips ofwood were nailed to the piles to form tonguesand grooves which would lock one pile to theother. The piles were cut at the bottom to fitthe contour of the dam. The material betweenthe rows was…
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