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Excerpt from Lake Passaic, an Extinct Glacial Lake: Presented as a Thesis for the Doctor's Degree, the University of Chicago, July, 1895 In the Annual Report of the State Geologist of New Jersey for 1880, Professor Cook made mention of a glacial lake which existed in the upper part of the Passaic drainage basin during the latter part of the Glacial epoch. The lake was stated to have covered the area of the Great swamp, the Black meadows, the Troy meadows, the Lee meadows, the Hatfield swamp, the Great Piece swamp and the contiguous low land. A number of localities, where evidence of the lake's existence were thought to occur, were cited. Because of its hydrographic position, the lake was called Passaic.* Although the boundaries of the lake were not traced out, its supposed level was determined at a few points. On the strength of these determinations, the area of the lake was represented on a map accompanying the report referred to. The average altitude of the border of the lake was stated to be 385 feet. 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.