File:Forest physiography; physiography of the United States and principles of soils in relation to forestry (1911) (14776828485).jpg

Identifier: forestphysiograp01bowm (find matches)
Title: Forest physiography; physiography of the United States and principles of soils in relation to forestry
Year: 1911 (1910s)
Authors: Bowman, Isaiah, 1878-1950
Subjects: Physical geography Forests and forestry Soils
Publisher: New York, J. Wiley & sons (etc., etc.)
Contributing Library: The Library of Congress
Digitizing Sponsor: The Library of Congress

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othe Colorado; Kanab Creek flows southward through a deep narrowgorge to enter the Colorado midway of the Kanab Plateau; and PariaRiver enters the Colorado at the head of the Marble Canyon. Thebeds of the plateau streams retain pools of water in the depressions pro-vided they are flooded with material that is not too coarse. These poolsare called water pockets, lakes, pools, or tanks. They arescattered and few in number though always important features of the I C. E. Dutton. Tertiary History of the Grand Canyon District, Mon. U. S. Geol. Surv.vol. 2, 1882, pp. 17, 52, 53. 262 FOREST PHYSIOGRAPHY whole region. They are much more numerous in the higher plateaus ofUtah than in the lower country. They are an important source of supplyfor travelers, settlers, and stockmen, and are the resort of bands of wildhorses that roam the uninhabited desert tracts. The High Plateaus consist of three principal members, a western, acentral, and an eastern, Fig. 72. The western member is composed of the
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Fig. 72. — Principal relief features of the High Plateaus of Utah. For Colb, lower left-hand corner,read Colob. Scale, 30 miles to the inch. (Button, U. S. Geol. Surv.) Pavant, Tushar, and Markagunt plateaus, named in order from northto south; the central member is composed of the Sevier and Paunsaguntplateaus, named in the same order; and the eastern member consistsof the Wasatch, Fish Lake, Awapa, and Aquarius plateaus. COLORADO PLATEAUS 263 We shall describe only a few of the great plateaus of this northernregion, selecting those which from our standpoint appear most impor-tant as types in the series. AQUARIUS PLATEAU The Aquarius, the grandest of all the High Plateaus, is about 35 mileslong, of variable width, and 11,600 feet high. Its summit is clad withdense spruce forests sprinkled with grassy parks and exceptionallybeautiful lakes.^ These are not small pools but broad sheets of waterfrom I to 2 miles long. Their existence is due to differential erosion bylocal glaciers that

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