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Excerpt from Annual Report of the Geological Survey of Pennsylvania for 1887: Cave Fossils; Fossil Tracks in the Trias; New Boston Basin; State Line Serpentine In the summer of 1880, Mr. T. Dunkin Paret, of Strouds burg, Pa., invited the writer, together with Dr. Thomas C. Porter, of Easton, to examine a cave which he had recently explored and had discovered in its contents a quantity of animal remains. The cave, known as Hartman's cave, and later as the Crystal Hill cave, is situated on the south Side of a limestone ridge which separates the valleys of the Pocono and mcmichael creeks from Cherry valley, about three miles west of Stroudsburg and five miles from the Delaware Water Gap. It occupies the axis of an anticlinal fold of the Helderberg or Upper Silurian limestone, about 800 feet above the level of the Delaware river. The cave had long been known in the vicinity, and was a low passage, extending for about 150 feet into which adventurous boys would creep. Mr. Paret, with the view of ascertaining whether the earthy deposit in the floor of the cave contained anything of interest, commenced the exploration by hav ing a trench dug through an accumulation of debris at the base of the cliff below the mouth of the cave to a sufficient depth to permit a man to enter the cave erect. The excava tion was thence extended for upwards of a hundred feet. The floor of the cave is occupied by an accumulation of clay about ten feet in depth and apparently devoid of all organic remains. The clay deposit was covered with a thin layer of stalagmite and on this was about a foot of black friable earth mingled with animal and vegetal remains. This earth was carefully sifted and from it was obtained aboutahalf a bushel of remains mainly of bones and teeth with fragments and a few shells, seeds, and works of art. The collection was submitted to the examination of the writer. 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.

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