Dodge, Mary Mapes, 1830-1905 · [New York : Scribner & Co.] · leaf 635
river by drilling holes at about thepoint where the flow occurred and then pumpingin grout. We have given that up, for the timebeing, and now we are merely trying to close theleak in the Astoria bulkhead. But, how can you do that from here? Why, simply by pumping in grout through ahole in this… … NEAR THE ASTORIA SHAFT—THE TUiNNEL P.\RTLV UNVV.\TERED A hole had already been cut through the mainbulkhead, and now they were trying to borethrough the emergency bulkhead beyond. Whenthis was penetrated, the drill rod, which was atwo-inch pipe, was to be pushed on through,close to the Astoria…
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