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Geology of the Grand Canyon: The Vermilion Cliffs.
THE TRIAS.THE TEMPLES AND TOWERS OF THE VIRGEN.THE VERMILION CLIFFS.To this great wall, terminating the Triassic terrace and stretching from the Hurricane Ledge to the Paria, Powell has given…Geology of the Grand Canyon: Chapter V. The Toroweap And Uinkaret.
CHAPTER IV. THE GREAT DENUDATION.CHAPTER VI. THE KAIBAB.CHAPTER V. THE TOROWEAP AND UINKARET.The present chapter will contain an account of a journey from the village Kanab to the Toroweap…gravel
(Encyclopedia) gravel, particles of rock, i.e., stones and pebbles, usually round in form and intermediate in size between sand grains and boulders. Gravel is composed of various kinds of rock, the…The Journals of Lewis & Clark: Lewis, May 31, 1805
Day 688 Day 690 Lewis, May 31, 1805 Friday May 31st 1805. This morning we proceeded at an early hour with the two perogues leaving the canoes and crews to bring on the meat of the two…Oligocene epoch
(Encyclopedia) Oligocene epochOligocene epochŏlˈəgōsēnˌ [key], third epoch of the Tertiary period in the Cenozoic era of geologic time, lasting from 38 to 24 million years ago. More of North America…kiva
(Encyclopedia) kivakivakēˈvə [key], large, underground ceremonial chamber, peculiar to the ancient and modern Pueblo. The modern kiva probably evolved from the slab houses (i.e., storage pits and…Olympia, city, United States
(Encyclopedia) Olympia, city (1990 pop. 33,840), state capital, and seat of Thurston co., W Wash., at the southern tip of Puget Sound, on Budd Inlet; inc. 1859. A port of entry, it ships lumber…brownstone
(Encyclopedia) brownstone, red to brown variety of sandstone. Its unusual color is caused in some instances by the presence of red iron oxide which acts as a cement, binding the sand grains together…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…Cretaceous period
(Encyclopedia) Cretaceous periodCretaceous periodkrĭtāˈshəs [key], third and last period of the Mesozoic era of geologic time (see Geologic Timescale, tablegeologic timescale, table), lasting from…Trending
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