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kangaroo rat
(Encyclopedia) kangaroo rat, small, jumping desert rodent, genus Dipodomys, related to the pocket mouse. There are about 20 kangaroo rat species, found throughout the arid regions of Mexico and the S…Paiute
(Encyclopedia) PaiutePaiutepī&oomacr;tˈ [key], two distinct groups of Native North Americans speaking languages belonging to the Shoshonean group of the Uto-Aztecan branch of the Aztec-Tanoan…Geology of the Grand Canyon: The Jurassic.
THE CRETACEOUS.THE TRIAS.THE JURASSIC.Beyond the Cretaceous, as we descend the stairway of terraces, the Jurassic comes to daylight. It forms a belt encircling the Cretaceous and outside of…The Donner Party and the Andes Plane Crash
by Elaine Rho Donner Lake, near the pass in which the tragedy occurred, is today a popular mountain resort. The tales of the Donner Party and the Andes Plane Crash are both well-known…Geology of the Grand Canyon: Chapter Ii. Geography Of The Grand CaÃÂon District.
CHAPTER I. THE PLATEAU PROVINCE.CHAPTER III. THE TERRACES.CHAPTER II. GEOGRAPHY OF THE GRAND CAíON DISTRICT.The Grand Cañon District-the region draining into the Grand and Marble Cañons-is…Great Salt Lake
(Encyclopedia) Great Salt Lake, shallow body of saltwater, NW Utah, between the Wasatch Range on the east and the Great Salt Lake Desert on the west; largest salt lake in North America. Fed by the…Geology of the Grand Canyon: Base Levels Of Erosion.
BASE LEVELS OF EROSION.In his popular narrative of Explorations of the Colorado River, Powell has employed the above term to give precision to an idea which is of much importance in physical…Geology of the Grand Canyon: The Temples And Towers Of The Virgen.
THE VERMILION CLIFFS.THE PERMIAN.THE TEMPLES AND TOWERS OF THE VIRGEN.At our feet the surface drops down by cliff and talus 1,200 feet upon a broad and rugged plain cut by narrow cañons. The…Mojave Desert
(Encyclopedia) Mojave or Mohave Desert, c.15,000 sq mi (38,850 sq km), region of low, barren mountains and flat valleys, 2,000 to 5,000 ft (610–1,524 m) high, S Calif.; part of the Great Basin of the…Pliocene epoch
(Encyclopedia) Pliocene epochPliocene epochplīˈəsēn [key], fifth epoch of the Cenozoic era of geologic time (see Geologic Timescale, tablegeologic timescale, table), from 5.1 to 2 million years ago.…Trending
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