Download or read book Survey of Northern and Northwestern Lakes; Bulletin No. 12 B written by United States Corps of Engineers and published by Forgotten Books. This book was released on 2018-08-29 with total page 78 pages. Available in PDF, EPUB and Kindle. Book excerpt: Excerpt from Survey of Northern and Northwestern Lakes; Bulletin No. 12 B: Lake Michigan and Green Ray; To Supplement the Information Given Upon the Charts of the Great Lakes, and Issued With Those Charts From the Office U. S. Lake Survey, Detroit, Mich Vessels drawing from 18 to 20 feet. Before these improvements were made the maximum draft did not exceed 10 or 12 feet, and as the mouths of the rivers were generally obstructed by bars, landings were made at projecting bridge piers, which could be used only in comparatively calm weather. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This 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.