. Annals of the New York Academy of Sciences. Science. 260 ANNALS NEW YORK ACADEMY OF SCIENCES at an elevation of about 2500 feet. Aside from this narrow ridge, Overlook is separated from the mountains to the north by the valley of the Saw Kill. Structuke Unlike most mountains, the Catskills consist of a succession of piled up, nearly horizontal strata, showing that they are really but the remains of a great interior plateau now greatly eroded and dissected by Fig. 1.—Overlook Mountain and adjacent territory. A portion of KaatersMll Quad- rangle, New York U. S. G. S. Topographic Sheet
. Annals of the New York Academy of Sciences. Science. 260 ANNALS NEW YORK ACADEMY OF SCIENCES at an elevation of about 2500 feet. Aside from this narrow ridge, Overlook is separated from the mountains to the north by the valley of the Saw Kill. Structuke Unlike most mountains, the Catskills consist of a succession of piled up, nearly horizontal strata, showing that they are really but the remains of a great interior plateau now greatly eroded and dissected by Fig. 1.—Overlook Mountain and adjacent territory. A portion of KaatersMll Quad- rangle, New York U. S. G. S. Topographic Sheet. Reduced. Scale : 1/83332 Except for a layer of hard conglomerate which caps many of the higher peaks, the mountains consist almost entirely of alternate layers of soft red shale and harder sandstone. The sandstone is sometimes thinly laminated and frequently cross-bedded; often however it shows a very even 2 Ralph Stockman Tarr : The physical Geography of N. Y. State. New York, 1902,. p. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original New York Academy of Sciences. New York, New York Academy of Sciences
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Keywords: ., bookcentury1800, bookdecade1870, booksubjectscience, bookyear1877
