Coast and Geodetic Survey Bulletin

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Excerpt from Coast and Geodetic Survey Bulletin: June, 1915During the short season of three months, 21 uncharted submerged rocks constituting serious dangers to navigation were discovered, the existence of which had not before even been suspected. Recently a pinnacle rock, with 8 feet of water, has been struck by a vessel in the middle of Whale Passage, of which there was no indication on the published chart. A rock with 21 feet in Sumner Strait has just been reported.On the Atlantic coast N. H. Heck and J. H. Hawley are dragging the region from Boston Harbor to the entrance to the Cape Cod Canal.A special publication by these officers on wire-drag work on the Atlantic coast, with an analysis of the cost of wire-drag work in various localities, has recently been approved for publication.About the PublisherForgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.comThis book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully, any imperfections that remain are intentionally left to preserve the state of such historical works.