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<br />'1 ~ (180-12-11)
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<br />U. S.• Dept. of Agricultu~, . ";
<br />Soil Conaervatlon Susz~ul~a '"~
<br />~: ,' ~ CCNSERVATIQt PLAN MAP AND •
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<br />SOIL AND CAPABILITY MAP LfL"END SHEET ~ ~„
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<br />' S 1~.~Di,fferent kinds of soil, range si ,
<br />tes, or Woodland sites are eepsrataid on.
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<br /> ,` ..,.•,~rnap by solid black lines, Within ~
<br />each area is ar. ldentifyine 'symaolx. or, . '
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<br /> name, The following symbols are ehoun on your maps t +"
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<br />~.~bol or Site Name
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<br />.,eneralized Deseriptione ~ r
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<br />1sa--Qrayp~ilnt pravelty sandy loarsti 0 to 1 pareant
<br />iitope~.'Thls (e a deep, well drained soil on broad alluvial „
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<br />(DeUiled deeeriptions are avaflable..ir..7 '
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<br />fans end terraces at elevations of 7,600 to 7,800 lest. It = Your Soil Cmeervation Service'~offic~,) r,
<br />~..~• .",;formed in alluvium dedved,'principalty.from basalt. The
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<br />The greatest soil limitation • fOr}tuben tifeva riieAt
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<br />,;I. ', ..average annual-predpitation is about 7 inches, the aver-
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<br />41 d
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<br />excessive Seepage due IO ~• grav®ly,-6U lfeit '
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<br />;,;,:. out
<br />egrees
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<br />::,age annual raft temperature Caving of cutbanka is a hazard when ex U : Se~ b
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<br />~, . ,the irost•Iree,resaeon lasts about f35 days.
<br />Included"Ir>; tgapping ere small areas of Derrick very .
<br />tank systems and sanitary landfills mty.:CO aminah
<br />ground wafer because of the pgrm9abi~ty
<br />of~he;eo~
<br /> _ .~cobbly sandy loam, Platoro loam, and San Arcacio sandy
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<br />Community sewage system should be ~rovld if';tt~
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<br />;loam. ;
<br />~; Typ)calty; the surface layer Is brown gravelly sandy laese
<br />PoPulatlon density Increases. The capaWllty st
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<br /> , .loam about 'S 'Inches thick. The subsoil is yellowish aro IVs irrigated and Vlla nonirrigated. •. ~ ''
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<br /> „brown and pale brOt+fn, gravelly sandy clay loam about ~~
<br /> ;13 inches thick. The substratum, to a depth of more then
<br />' 60 inCties, I9 Sand or gravel. ~ i. ,,. '`:,
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<br />~ .; F' ,Permeablli la moderate. Available water capacity Is
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<br />i;lovv, Runoff is slow, and the erosion hazard is slight. ^~ '.
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<br /> - Ettectlve~ rootlng depth Is 60 Inches or more. , ~. '
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<br /> a' Thta Boil fa used for Irrigated crops, Irrigated pastwe ''"
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<br />i ' .and hayland,~end range. Crops ere small grains, alfalfa, a;
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<br /> potatoes., 8q other vegetables. Commercial fertilizer and ,
<br /> manure neeC to be applied and plant residues returned '
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<br /> to the :All.~frrlgation methods suitable for this soil ere ~ L
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<br /> ,border, furrow, and sprinkler. Sprinkler Irrigation is well ,
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<br /> ,suited In moAt crops. The furrow method Is suited to row
<br /> crops. Etorder`IrrigaGon is suited to allalla, smell grains, '
<br /> and pasture, if rune are relatively short. lend leveling ,
<br /> may expose gravel In the more shallow areas. „
<br /> The potential natlve Veg9te11on Is dominated by Indian RANGE SITE: MOUNTAIN OU'iWASH '
<br /> ricegrass, western wheatgrass, noedleandthread, blue
<br /> ~~ ;;grema, uvinteriat, and lourwjng saltbush. II the range de- ,
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<br />-teriorates, the proportions of Indian ricegrass, need- 4
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<br /> leandthread, and western wheatgrass decrease end the ., ; :" :~
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<br /> • amounts o} blue grema, squirreltall, lhroeawn, , '; ,
<br /> snakeweed, end rebbitbrush increase. Undesirable
<br /> - weeds and annual plants Invade and become abundant If •, -,
<br /> the range condition becomes poorer.
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<br /> Seeding IB generally not advisable because of low
<br />- , rainfall and low available water capacity. Deferred graz-
<br /> ing, cross fencing, and stock water facilities help prevent
<br /> range deterioration and promote the growth of desirable.
<br /> plant species.
<br /> Wildlife on this loll includes openland and rangeland _'
<br /> .species, such as jackrabbit, cottontail, coyote, and vet- •. • '« ..
<br />:~ ious roclenta Production of vegetation suitable for wildlife
<br />;:. habitat Is I(mlted when this soil is used as range and (s '
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<br />LL not irrigated Creating wildlife habitats on this soil re-
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<br />~ quires proper management o} livestock grazing. In irrigat-
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<br />' ed areas, sop residues from alfalfa, barley, and oats
<br />"~ maybe used by pheasant, waterfowl, and geese. - ,
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