The physical geography of New York state . Davis, Seventh Annual Report U. S. Geol. Survey, 1885-6, 455; Davis andWhittle, Hull. Mus. Comp. Zool., XVI, 1889, 99; Davis and Loper, Bull. Geol. , II, 1891, 415; Davis and Griswold, Hull. Geol. Soc. Amor., V. 1894, 515; DavisAmer. Jonrn. Sci., Ser. IV. I. 1; Davis, Pop. Sci. Monthly, 1891, 221. See alsoPercival, Geology of rmmcrticut. 1ML, 299; Dana. Manual of Geology, 4th Ed., 1895,800; Emerson, Bull. Geol. Soc. Amer., II, 1891, 451. 42° 15 64 74° 15 The Physical Geography of New York State (Durham). 74° 15 10 5 FIG. 22. Map of part of Ca
The physical geography of New York state . Davis, Seventh Annual Report U. S. Geol. Survey, 1885-6, 455; Davis andWhittle, Hull. Mus. Comp. Zool., XVI, 1889, 99; Davis and Loper, Bull. Geol. , II, 1891, 415; Davis and Griswold, Hull. Geol. Soc. Amor., V. 1894, 515; DavisAmer. Jonrn. Sci., Ser. IV. I. 1; Davis, Pop. Sci. Monthly, 1891, 221. See alsoPercival, Geology of rmmcrticut. 1ML, 299; Dana. Manual of Geology, 4th Ed., 1895,800; Emerson, Bull. Geol. Soc. Amer., II, 1891, 451. 42° 15 64 74° 15 The Physical Geography of New York State (Durham). 74° 15 10 5 FIG. 22. Map of part of Catskill mountains, contours every 500 feet. (Made from United States Geological Survey Topographic Map.) The Catskill — As was stated on page 41,these are not true mountain ranges but rather pseudo-mountains. During the Devonian period, just before theuplift of the great interior Paleozoic sea which accom-panied the development of the Appalachians, the site of 1 See references, p. 7. The Mountains of tlt 65 the Catskills was the shore line of a sea-bottom that wasslowly sinking. The land side of the shore was occupiedby the Taconic Mountains, from which sediment enteredthe sea, where it was strewn over the bottom in the regionwhere the Catskill Mountains now rise. Here, near thecoast, coarse beds of sandstone and conglomerate wereaccumulated, while further west, shales and sandy shaleswere being deposited. The sinking of the sea-bottompermitted these beds to gather to great depth. Then,when the reverse process of elevation ha
Size: 1385px × 1804px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1900, bookpublisherlondo, bookyear1902
