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<br />• UNITED STA7E5 DEPARTMENT Of AGRICULTURE - <br />- Soil Conservation Service, Colorado ' <br />• Technical Guide RANGE SITE N0. 287 •;:-~. <br />• <br />Section II E Field 0.fflce <br />. Auqust 1975 <br />RANGE SITE DESCRIPTION - <br />for ~ • • ~ • ~+• ` .: <br />~ <br />STONY FOOTN1lLS. _ ~ 7-ue--+~sJ.A <br />;~, - `_ <br />.. <br />Land Resource ~Afea: Central Desertlc"Easins,'Hountains, - <br />• -m. <br />and Plateaus . (34} . :. - :..: -::' . ~~ <br />- ,,~ .. <br />Southern Rocky Mountains (48).. .. ~.,: .;';~:. `,: <br />. <br />- <br />~~~ <br />A. PHYSICAL CHARACTERISTICS •~ ~' <br />•_; <br />~;,;:;_ '' __ ~' <br /> , <br />_ _ <br />1. 7hysiographlc Features ~ ~• ,`x <br />Rough rocky breaks in foothills and mesa country~on steep slopes, ' <br />- genera-1 1 y between--l 5-to 653.: - At_ h i gher el evat lops the s i te, .. <br />occupies.souLh and:•west exposures,..-At lpwer elevations.it occurs ' <br />;~~ on north and: east 'exposures._.ElevatZon ranges from 5500 40500.:" _ i <br />+ feet above sea level. ~ ~ <br />-2. Glima[ic Features <br />1. <br />• <br />Annual precipitation averages from 12-to 1$ inches. Slight7y,more • <br />- ~: <br />.:ban half of the mo.lsture falls between April-1. and September30. <br />- Months_receiving_the h(ghes_*..:precipixa.tinn_are July, August,_and <br />Sip[ember: - Growing-season-extends=from Apri.l~th~ough [he end.of- <br />September. -• - .. <br />June Is usually the most drouthy month. Cool season 9ras`ses•ere <br />...fevored and make their best growth following the spring•thaw (about • <br />April) when available molst~re.ls greatest. .These plants"again .take ' <br />.advantage of•latq summer moisture if they are in healthy_conditlon. 'I <br />- 3- Native (potential) Vegetation ~ ! <br />r=, <br />This site is d grassland plant community wiCfi small amounts of shrubs, <br />pinyon pine, and Utah juniper. Grasses such as lndian~ricegrass, <br />native bunch bluegrasses, needle-and-thread, galleta, blue grams, <br />Junegras5, squirreltail, and wheatgrasses make up the major•part of <br />the plant cover: Pinyon and juniper are generally present. Browse . <br />plants Include big sage, mountain mahogany, serviceberry,~HOrman tea, <br />and bitterbrush. Many of the fortis such as daisies, asters, eriogonums,. . <br />strJnless goldenweed, phlox,.pensLemon, and herbaceous sage are asso- <br />elated in the composition. Sites having ten percent or more crown <br />canopy of pinyon and/or juniper are woodland sites. ~ • <br /> <br />