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' • • • GUNNISON AREA, COLORADO • 86 interpretatiana-Oontinued Soil features effecting-Continued I Degree and kind of limitation for- Drainage of Local roads Dwellings without Septic tank Sewage cropland Irrigation and streets basements filter fields lagoons Well drained; slope is 1 W B percent. Well drained; mod- erate permeabil- ity. Slew permeability sh~pc is 5 to ;fU percent. /o drainage needed Nell drained; slow pcrmca bility. \1'rll drained: slope is 1 to B percrn [. I•,~,•r;y dr:,incJ; :-easonal high x:der table Iris Shan .': fret from \1'ell drained; rapid permeahilitt•. Poorly drained; seasonal flooding; slow permca bility. X~~ dra inngc nc[•ded Noorlr dr.,inyd: wet array; sra~•.nal flooding. Moderate permea- bilitY:low avail- able water capac- ity. Moderate permea- bility; moderaW available water rapacity. Slues prrmcahility high available water capacity; slope is 5 to 30 percent. Not applicable Slow permeability high available water capacity. Ro,pid permcabiliL}•: Inn' available water capacity; up W 70 percent cnbblestoncs. ILipid permeability; loo' available water rapacity; .rasnn:[I high xatrr table :d less th:ur a foci from surfaer. Rapid permeability; low available water capacity; slope is 2 to 30 percent. Slow permeability; high availably water rap^ •ity; strongly to rare strongly alkaline. Vot applicable Mcderaty prnnc- :,Lility; low ;n~ail- ahlr water rnpaeitc. Slight Moderate: moder- ate shrink-swell potential. Rrvem: low shear ~Lrength; high shrink-swell po- tential, Severe: sandstone at a depth of 20 u. 40 inches; slope is 5 to 40 percent; fair shear strength. Fair: fair shear strength: mod- erate shrink-swell potential. Might tirerre: seasonal high water table ^t less than 3 fret fn•m snrforr. M odes Le to severe: slope is 2 to 30 percent. Rer ere: seasonal high cater table :u the surface or within a JeptL of a6 inches; low shear su~ength. Scrrrc. flag- senne at a depth of IG to 20 inches: slope is 5 Lr 45 percent. Severe: seasonal high rater table at the surface ur within a depth of 3G inches. Slight Moderate: slope is 1 W 15 per- cent; moderate shrink-swell po- tential. Rrvcrc: slope is 5 Lu ;t0 prrrent; high shrink-swell potential. Severe: sands War at a depth of 20 to 40 inches; slope is 6 W 40 percent. M ndrrnte: slope is ] to 2U percent; moderate Stability. ~ Slight Srvcrr: seasonal high cater table less than 1 tent (ram surfaer. Moderate W severe: slope is 2 to 30 percent. Severe: high shrink-swell potential; high corrosive poten- tial; water table m the surfaer or within a depth of 3G inches. Rc•verr: uprn- voided flagstmu• at a depth o! 10 to 20 inches; lox' shear strength. Rrvrrr: seasonal high wader table :d t}~c surfaer ur within a depth of 96 inches; flood hazard. Slight: may pol- lute nearby do- mestic water supply. Moderate: elope is 1 W 16 per- cent; moderate permeability. Seven: shale at a depth of 20 Lo 40 inches; slope is 5 to 30 per- cent; slow per- meability. Severe: slope is 5 to 40 percent; bedrock at a depth of 20 to 40 inches. Moderate: slope is 1 to 20 percent; moderate perme- ability. Slight: may pollute nearby dnmestlc x•a ter supphes. Srvcre: seasonal high water table at less than 3 feet from su ricer. Severe: slope is 2 Lo 30 percent; may pollute near- by water supplies. Revere: slow per- meability; water t:,hle at the sur- face ur within a depth of 3G inches. Rrvyrc: upen- voided flagstone at a depth at 10 In 20 inches. $evem: seasonal high water table nt the surface or within a depth of 3G inehe.=.; flood hazard. Severe: rapid per- meability below a depth of 19 inches; very eobbly. Moderate: slope is 1 W 15 percent; moderate permea- bility. Severe: shale at a depth of 20 W 40 inches; slope is 5 to 30 percent. were: slope is 5 W 40 percent; bed- rock at a depth of 20 to 40 inches. ModeraW: elope is 1 W 20 percent; moderate perme- ability. Severe: rapid per- meability. Severe: seasonal high water table et less than 3 fret from surface; rapid permeabil- ity. Severe: slope is 2 W 30 percent; rapid permeabil- ity. Severe: seasonal high water table at the surface or within a depth of 3f inehe=. Severe. flagstone at a depth of ]0 W 20 inches; very rapid perme- ability. Severe.: seasonal high water table at the surface or x~ithin a depth of 36 inches; flood hazard.