. Alluvium :^s^ Dune Sand Chestnut Soils Woodland Lithosols Brown Soils Sierozem Brown-gray Podsols t&§^\ Lithosols (broken terrain) | | Alpine Soils Fig. 6. General distribution in Colorado of Great Soil Groups (modified from map accompanying Soils and Men, Yearbook, Department of Agriculture, 1938). careous, in places forming a cemented hard- pan of lime or gypsum. Natural vegetation consists of desert shrubs and bunch-grasses. Brown-gray podzols occur widely in the mountains to elevations slightly above 10,000 feet. The soils have developed largely from metamorphic parent materials
. Alluvium :^s^ Dune Sand Chestnut Soils Woodland Lithosols Brown Soils Sierozem Brown-gray Podsols t&§^\ Lithosols (broken terrain) | | Alpine Soils Fig. 6. General distribution in Colorado of Great Soil Groups (modified from map accompanying Soils and Men, Yearbook, Department of Agriculture, 1938). careous, in places forming a cemented hard- pan of lime or gypsum. Natural vegetation consists of desert shrubs and bunch-grasses. Brown-gray podzols occur widely in the mountains to elevations slightly above 10,000 feet. The soils have developed largely from metamorphic parent materials under more humid conditions than those in the lithosol zones of both lower and higher elevations. The development of a brown surface horizon has been influenced by coniferous forest, which provides a cover of litter. Both brown- gray podzols and zonal tundra soils (see be- yond) are acidic, being relatively high in humus and mostly leached of salts, owing to development under rather humid conditions. In these characteristics, the pedalfers of the mountains stand in contrast to pedocals of
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Keywords: ., bookcentury1900, bookcollectionbiodiversity, booksubjectmammals
