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•`-~~ <br />~• The named drainages include Santistevan Canyon, Lopez Canyon, Wet <br />Canyon, Ciruela Canyon, and Cherry Canyon. <br />r Soils in the project area are generally loamy (Wood and Bair <br />1980:6). The Table Mountain Loam occurs on level to nearly level <br />(0-3 percent) stream terraces and varies in depth between 20 and <br />40 inches. The Fort Collins Very Fine Sandy Loam is found on <br />upland drainwaes with gentle (3-9 percent) slopes. It grades <br />from a very fine sandy loam to loam within the top 8 inches; a <br />blocky clay loam subsoil extends to 38 inches; and the underlying <br />material is loam or light clay loam. The Louviers-Travessilla <br />Channery Loam occurs on moderate to steep (30-70 percent) slopes. <br />They are shallow and directly underlain by interbedded <br />sandstones, siltstones, and shales. <br />Flora <br />~. <br />The Park Plateau is characterized by three major native plant <br />associations: the Pine-Douglas Forest, the Juniper-Pinyon <br />. Woodland, and the Short-Grass Grassland (Kuchler 1964). Juniper- <br />Pinyon Woodland dominates the project area. It occurs between <br />' 5,000-7,500 feet (1,524-2,310 m) elevation on flat, rolling, or <br />,~ steep topography (Lutz and Hunt 1979:6). The dominant species <br />,~ ~ are, of course, juniper and pinyon pine. Subdominants are <br />:~~ shrubs (sagebrush, rabbitbrush, bitterbrush, buckthorns, and <br />'! scrub oak) and grass (wheatgrasa, grams, and Indian ricegrass) <br />(Wood and Bair 1980:10). Riparian species border the Purqatoire <br />River, and the broad alluvial flats of the Picketwire Valley are <br />under cultivation <br />:~ <br />au <br />_;~ Shelford (1963:287-291) describes major permanent mammal <br />`' dominants and influents for the Juniper-Pinyon Woodland. The <br />='~ dominant mammals are the mule deer and such predators as the <br />s:~ [. bobcat, coyote, and mountain lion. Minor mammalian influents are <br />~4~ the wood rat, pinyon mouse, deer mouse, cliff chipmunk, jack <br />"; rabbit, cottontail rabbit, rock squirrel, and porcupine. Such <br />~.~ carnivores as fox, ringtail, skunk and badger may occur but are <br />less common. Birds, particularly the smaller species such as the <br />:~ „ pinyon jay, titmouse, and bushtit, are abundant. <br />s ~:` <br />~, <br />~ ~3 <br />,t PALEOENVIRONMENT <br />No paleoenvironmental investigations have been conducted in the <br />~~ immediate vicinity of the project area. Therefore, conclusions <br />about the paleoenvironment must be extrapolated from studies done <br />:i <br />'~ ° in adjacent regions. <br />Eddy, et al. (1982) have summarized the environmental <br />investigations which have been conducted in the area bounded by <br />