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GUNNISON AREA, COLORADO interpretations-Continued 69 Soil features affecting-Continued Drainage of cropland Irrigation No drainage needed Not applicable No dninagc needed Nn drainage needed lCrll drained; mud- crate permeabil- ity. Not applicable .. Nnt :gtplirablc No drainage needed No draimlge nctdtd No drainage needed. ti. drainage ntcded ~~~t ;q,piira Mr Nt. dr:.inagr nrrded applicable Not applicable Modrrate perme- ability; moderate available a'atrr capacity; slapr is 5 to 30 ptrcent. Not applicable Not applicable Nnt applicable ~ Nat applicable Not applicable Nat applicable Nm :~ppliraldr Nat applicable Local roads and streets Severe: slope is 6 to 30 percent; 25 to 60 percent stones beloa• a depth of 15 inches; moderate shrink-swell po- tential. Severe: bedrock at a depth of ]0 to 20 inches; slope is ]0 to 60 percent. Severe: high shrink-s++•ell po- tential; slope is 5 to 30 percent; low shear strength. Moderate to severe: G;11 with fines; =lope is 5 to 30 percent. Severe: bedrock at surface. Severe: slide area Se+err: flagstone at a depth of 10 to ^_0 inches; slope is 5 to 40 ptrctnt. Sevrre: slopr is 10 to 50 percent; 25 to 55 percent stunts. Severe: bedrock at a depth of 20 to a0 inches; slope is 10 to 50 percent. Sevrre: be:irork at a depth of 10 to 20 inches; slope is 5 to a0 percent. Sen.rc: slopr is 10 t~~ Fn pcreent; =hallow to Lnd- ruck in com plea drvnlopment. Severe: stony clac; flagstunt at a depth of 2ii to a0 iuchrs; slopr is 5 h~ .iG perrenl Degree and kind of limitation far- Dwellings x~ithout Septic tank basements filter fidlds Severe: elope is 6 to 30 percent; moderate shrink- swell potential. Severe: slope is 5 to 30 percent; slow permeability. Sevrre: bedrock at n drpth of ]0 to 20 inches; slope is 10 to DO percent. Severe: slope is 5 to 30 percent; high shrink-swell potential. M udnratc to severe: slope is 5 to 30 ptrren[. Not applicable . ...... Not applicable Severe: open- voided flagstone at a depth of 10 to 20 inches; slope is 5 to 40 pemtnl. Srvrre: slope is 30 to 50 percent; moderate shrink- >wcll potential. Severe: bedrock at a depth of 20 to 40 inches; slope is ]0 to 50 percent. Severe: bedrock at a depth of 10 to 2U inches; slope is 5 to 40 percent. Vat applicable Sevrrt: open- voided flagstone at a depth of 20 to 40 inrht=; mnd- eratc shrink sa~ell poential; slope is 5 to 35 percent. Severe: bedrock at a depth of 30 to 20 inches; slope is ]0 to 60 percent. Severe: slope is 6 to 30 percent; slow permeability. Severe: slope is 5 to 30 percent; moderate permc- ahility. Not applicable .. Not applicable . . Severe: open- voided flagstone at a depth of 10 to 20 inches; slope is 5 Ut 40 percent. Severe: slope is ]0 to 50 percent; moderately slox• permeability. Severe: bedrock at a depth of 20 to 40 inches; slope is ]0 to 50 percent. Severs: bedrock at a depth nt ]0 to 20 inches; slope is to a0 percent. xm .,ppr,•aldt Se+r rr: upen- voidtd flagstone nt a depth of ^_0 to a0 inches; sloa• permeabi!ity; slope is 5 to 35 perc<•nt. Sewage lagoons Severe; alope is 6 to 30 percent; 25 to 60 percent stones below a depth of 15 inches. Severe: bedrock at a depth of 1D to 20 inches; slope is 10 to 60 percent. Severe: slope is 5 to 30 percent. Severe: slope is 5 to 30 percent; moderate perme- ability. Not applicable. Not applicable. Severe: open- voided flagstone at a depth of 30 to 20 inches; slope is 5 to 40 percent. Severe; slope is 10 to 50 percent; very stony. Severe: bedrock et e depth o! 20 to 40 inches; slope is 10 to 50 percent. Severn: bedrock at a depth of 10 to 20 inches; slope is 5 to a0 percent. tint applirahlc. Se+•cm: open- euided flagstone at a depth of 20 to 40 inches; =lope i=_ 5 to A5 percent.