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2008-11-24_GENERAL DOCUMENTS - C1996083
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2008-11-24_GENERAL DOCUMENTS - C1996083
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Last modified
8/24/2016 3:38:12 PM
Creation date
12/2/2008 1:43:50 PM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
C1996083
IBM Index Class Name
GENERAL DOCUMENTS
Doc Date
11/24/2008
Doc Name
Proposed Decision & Findings of Compliance for PR10
From
Extend B-Seam Mine plan to the North
Permit Index Doc Type
Findings
Email Name
JJD
Media Type
D
Archive
No
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groundwater flow direction in the sandstone strata of the Mesaverde formation is from the recharge area <br />near the outcrop of these strata, north toward the lower parts of the basin. <br />Climatological Information - <br />Detailed climate information is presented in Section 2.04.8 of the Bowie No. 2 Mine permit application <br />document, and the information is summarized below. The nearest weather station to the permit area was <br />the Wilcox Ranch Station, located east of the old Bowie townsite, in the Hubbard Creek Drainage. The <br />period of record for this station is from 1948 to 1983, and the average annual precipitation of record for <br />this station is 18.50 inches. The station was moved to the West Elk Mine in November 1983, and the <br />station is now referred to as the Somerset IE Station. Other weather stations in the area were the Paonia <br />3SE and Paonia 1SW stations. The Paonia 3SE and Paonia ISW stations recorded data for the periods <br />1905 to 1957, and 1957 to 1993, respectively. <br />The average minimum temperature in the area is about 45 degrees (Fahrenheit), with the lowest <br />temperature of -28 degrees recorded in Paonia during 1913. The average high temperature in the area is <br />about 52 degrees (Fahrenheit), with the highest recorded temperature in Paonia of 100 degrees during <br />1927 and 1934. <br />Soils Information <br />Detailed information regarding the soils within the permit area is located in Section 2.04.9 of the Bowie <br />No. 2 Mine permit application document. The following summary is derived from Section 2.04.9 of the <br />referenced permit document. <br />The main areas that are disturbed by operations at the Bowie No. 2 Mine exhibit the following soils: the <br />Absarokee (Beenon-Absarokee Association), the Persayo, and the Torriorthents. The Absarokee soil at <br />the site exhibits a silty loam and silty clay loam texture. The soil exhibits an 'A' horizon depth of about <br />1.5 to 2.5 inches, with a combined N and 'B' horizon depth of about 22 to 38 inches. The soil is typically <br />underlain by sandstone. <br />The Persayo soil is a silty clay loam. The Persayo soils located at the Bowie No. 2 site exhibit an 'A' <br />horizon of about 1.5 inches deep, with a combined 'A' and 'B' horizon depth of about 18 to 20 inches. The <br />soil is typically underlain by the Mancos Shale. <br />The Torriorthents soil tends to be associated with rock outcrop areas, and the observed texture is silty <br />loam. The site soils exhibit 'A' horizon depths of about 1.5 inches. The typical combined 'A' and 'B' <br />horizon depths range from about 6 to 7 inches. <br />The operations approved in Permit Revision No. 3 disturbed an additional 11.0 acres, one area located <br />south of Old Highway 133 and the other area located just east of the present mine entrance. Both areas <br />appear to be previously disturbed. The soils present in these disturbed areas are similar to the "Meadow" <br />soil found in other areas of the mine site, as depicted on Map No. 4, "Soils". <br />The soil that was disturbed in the construction of the Freeman Gulch vent shaft, through Technical <br />Revision No. 12, is classified as a Fughes Loam. <br />The operations approved in Permit Revision No. 6 disturbed soils that are primarily Progresso Loam and <br />Potts Loam. Bowie Resources Limited requested a variance from topsoil salvaging beneath the cover fill <br />stockpile at the train loadout area. Pursuant to Rule 4.06.2(a), the Division can approve a variance for <br />15
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