oved and deposited far away on dry land. But the art ot This is all that had been accomplished up to 1868, when at that point, and some dangerous rocks are found in the im- blasting under water was almost unknown at that time, and mediate vicinity. The narrow channel thus formed has been engineers… … suspended. In 1873 the drilling scow was towed Frying Pan, and Way's Reef be blasted and scat- Fig. 2.—SECTION VIEW OP A TRANSVERSE AVENUE, HELL GATE to Frying Pan Rock. Seventeen holes were drilled tered. The two former are single rocks of a point- and eleven surface blasts made. mended by them…
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