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Geology of the Grand Canyon: The Permian.
THE TEMPLES AND TOWERS OF THE VIRGEN.THE PERMIAN.The idea of a terrace is not so typically represented in the Permian as it is in the superior formations. In many parts of the great stairway…Geology of the Grand Canyon: Corrasion.
WEATHERING.CORRASION.Mr. G. K. Gilbert has embodied in his admirable monograph on the Henry Mountains, a chapter on Land Sculpture, which sets forth in most logical and condensed from the…Geology of the Grand Canyon: Weathering.
CORRASION.WEATHERING.The work of corrasion is limited to the cutting of narrow gashes in the strata, and the grinding up of the fragments brought into the river channels. The widening of…Painted Desert
(Encyclopedia) Painted Desert, badlands on the northeastern bank of the Little Colorado River, NE Ariz., stretching c.200 mi (320 km) SE from the Grand Canyon; includes Petrified Forest National Park…Caldwell
(Encyclopedia) Caldwell, city (2020 pop. 59,996), seat of Canyon co., SW Idaho, on the Boise River; inc. 1890. On the site of an Oregon Trail camping…Canyonlands National Park
(Encyclopedia) Canyonlands National Park, 337,598 acres (136,679 hectares), SE Utah; est. 1964. Located in a desert region, the park contains a maze of deep canyons and many unusual features carved…Sequoia National Park
(Encyclopedia) Sequoia National Park, 402,510 acres (162,960 hectares), E central Calif.; est. 1890. In the park are 35 groves of giant sequoias, spectacular granite mountains, and deep canyons. The…Yellowstone
(Encyclopedia) Yellowstone, river, 671 mi (1,080 km) long, rising in NW Wyo., and flowing NE through Mont. to enter the Missouri River near the N.Dak. line; it drains c.70,400 sq mi (182,340 sq km).…Little River Canyon National Preserve
(Encyclopedia) Little River Canyon National Preserve: see National Parks and Monuments (table)national parks and monuments (table).Madera
(Encyclopedia) MaderaMaderamədârˈə [key], city (1990 pop. 29,281), seat of Madera co., central Calif., in the San Joaquin valley; inc. 1907. Wine, machinery, consumer goods, and plastic products are…Trending
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