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3. This Pit is not located within a delineated floodplain or floodway.
<br /> 4. Wetland survey and delineation has determined that wetland areas shown on some maps are
<br /> the result of sustainment by irrigation flows and are not natural or jurisdictional wetlands.
<br /> ATTACHMENT 1 TO EXHIBIT B — SOILS DATA
<br /> Piedra Area,Colorado,Parts of Archuleta,
<br /> Hinsdale,La Plata,Mineral,and Rio Grande
<br /> Counties(CO666)
<br /> Piedra Area,Colorado,Parts of
<br /> Archuleta,Hinsdale,La Plata,Mineral,and
<br /> Rio Grande Counties(C0666)
<br /> Map Acres Percent
<br /> Unit Map Unit Name in AOL of AOI
<br /> Symbol
<br /> 15D Gateview gravelly 77.6 28.9%
<br /> loam,4 to 25
<br /> percent slopes
<br /> 31E Mayoworth loam, 20.9 7.8%
<br /> deep variant,25
<br /> to 65 percent
<br /> slopes
<br /> 33D Molas loam,4 to 77.4 28.8%
<br /> 25 percent slopes
<br /> 37E Pagosa loam,25 92.7 34.5%
<br /> to 65 percent
<br /> slopes
<br /> 49E Winifred clay,25 0.2 0.1%
<br /> to 65 percent
<br /> slopes
<br /> Totals for Area of 268.8 100.00/a
<br /> Interest
<br /> 0 mmmm�Nmm 1,00o ft
<br /> Piedra wrea,Colorado,Parts of Archuleta,Hinsdale,to Plata, Piedra Area,Colorado,Parts of Archuleta,Hinsdale,La Plata,
<br /> Mineral,and Rio Grande Counties Mineral,and Rio Grande Counties
<br /> 33D—Molas loam,a to 25 percent slopes
<br /> Map UMt Setting 15D—Gateview gravelly loam,4 to 25 percent slopes
<br /> Map Unit Setting
<br /> National map ,it symbol:ft79
<br /> Elevat—8,000 to 9,000 feet National map unit symbol:jt6b
<br /> Mean annual precipitation:22 to 30 inches Elevation:7,600 to 8,400 feet
<br /> Mean annual air temperature:40 to 45 degrees F Mean annual precipitation:20 to 25 inches
<br /> Frost-free period:80 to 100 days Mean annual air temperature:34 to 40 degrees F
<br /> Farmland ci—rcapon:Not prime farmland Frost-free period:60 to 80 days
<br /> Map Unit Composition Farmland classification:Not prime farmland
<br /> Malas and similar sods:85 percent Map Unit Composition
<br /> Minor romponems:15 percent Gateview and similar so,ls:90 percent
<br /> Estimates are based on observations,descriptions,and transects of the Minor components:10 percent
<br /> mapunit Estimates are based on observations,descriptions,and transects of the
<br /> Description of Moles '.purr.
<br /> Setting
<br /> Description
<br /> r,�:s..ales.m untain slope.
<br /> Description of Gateview
<br /> Down^slope shape:Concave.linear Setting
<br /> Across-slope shape:Concave,linear Landform:Benches
<br /> Par—material:Glacial til!derived from igne metamorphic and Down-slope shape:Linear
<br /> sedimentary rock over residuum weathered from shale Across-slope shape:linear
<br /> Typical profile parent material:Thick ground moraine till derived from igneous and
<br /> Al o rp s inrnes:loam
<br /> metamorphic rock
<br /> 42-5 to 13 inches.clay loam Typical profile
<br /> E-13 to 18 inches.clay loam
<br /> Al-0 to 10 inches:gravelly loam
<br /> Bt-l8 to 26 inches:clay BC 26 to 33 inches:clay
<br /> A2-10 to 22 inches:very gravelly sandy loam
<br /> -
<br /> 2C,-33[0 82 inches:bedrock C-ZZ to 60 inches:very gravelly sandy loam
<br /> Properties and grmlfties Properties and qualities
<br /> Slope.4 to 25 percent Slope:4 to 25 percent
<br /> Depth to resnictive feature:20 to 40 inches to paralithic bedrock Depth to restrictive feature:More than 80 inches
<br /> Drainage class:Poorly drained Drainage class:Well drained
<br /> Runoff class:Very high Runoff class:Medium
<br /> Capacity of the most limiting lave,to transmit water(Ksat):Very low Capacity of the most limiting layer to transmit water(Ksat):
<br /> to moderately high(o.00 to 0.20 inlhr) Moderately high to high(0.60 to 2.00 in/hr;
<br /> Depth to water table:About 12 to 24 inches Depth to water table:More than 80 inches
<br /> Frequency of flooding:none Frequency of Flooding:None
<br /> Frequency of ponding:None Frequency aofponding:None
<br /> Available water CePaCly:Low(about 5.5 inches
<br /> Available �ter capacity:Low(about 4.5 inches)
<br /> From NRCS WebSoilSurvey,accessed 01NOV2020
<br /> Toner Ranch Pit 110C Application Exhibits Page 4 of 20
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