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PERMFILE121304
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PERMFILE121304
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Last modified
8/24/2016 10:19:43 PM
Creation date
11/25/2007 9:14:51 AM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
C1981053
IBM Index Class Name
Permit File
Doc Date
12/11/2001
Section_Exhibit Name
2.04.09 SOIL RESOURCE INFORMATION
Media Type
D
Archive
No
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.. <br />~.~• Unlled Slates ~~~ <br />1A1~ Depanmenl of Conservallon 701 Camino del ~Fiioi <br />~~f Aprlcullura Servlce Durango, Colorado 81301 <br />I <br />March 31, 1986 <br />Tim Myers <br />Blue Flame Coal Company <br />Durango, Colorado 81301 ~ <br />Dear Tim: <br />I examined the soil and vegetation at the mine site with you on <br />March 26, 1966. The two areas examined were the brushy hillside where <br />the benches and mine shafts are, and the meadow area in the valley <br />bottom. In the disturbed areas where the benches are, past mining <br />- activity has mixed the soils and mine waste with no effort to salvage <br />topsoil. The average annual precipitation is about 20 inches. The <br />average annual air temperature is about 42 degrees and the frost free i <br />season is about 90 days at the site. The hillside has a northwest <br />aspect. <br />I <br />The soil on the brushy hillside is Zau stony loam on about 40 percent <br />slope. It is classified as a fine, mixed Typic Argiboroll. Atypical) <br />pedon description follows. <br />• 0 to 8 inches; dark grayish brown stony loam <br />8 to 13 inches; brown clay loam <br />13 to 32 inches; brown and yellowish brown clay i <br />32, to 40 inches; brown and yellowish brown clay loam <br />40 inches; weathered sandstone and shale i <br />The Zau soil has a pFl of 7.2 and conductivity of less than 2.0. It is <br />suitable for use as topsoil in reclamation of the site. <br />The meadow area in the valley bottom is the Big Blue clay loam on about <br />1 percent slope. It is classified as a fine, montmorillontic, (calcareous), <br />frigid Fluvaquentic Haplaquoll. It has a high watertable most of the year <br />that rises to within 18 inches of the surface. A typical pedon of Big Blue <br />follows. <br />0 to 4 inches; very dark gray clay loam <br />4 to 10 inches; gray silty clay loam <br />10 to 60 inches; gray silty clay. This layer has glayed colors <br />resulting from poor drainage. <br />The Big Blue soil has a pii of 8.0 in the surface and is suitable for plant <br />growth. <br />• <br />O Tne Spd Conseroalion Servlce <br />U is an span Cy of Ike <br />D open man) of Aq~ic uli ure <br />
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