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PERMFILE121682
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PERMFILE121682
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Entry Properties
Last modified
8/24/2016 10:19:58 PM
Creation date
11/25/2007 9:36:30 AM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
C1980007A
IBM Index Class Name
Permit File
Doc Date
12/11/2001
Section_Exhibit Name
Exhibit 66 Small Area Exemptions for Sylvester Gulch Facilities
Media Type
D
Archive
Yes
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February 27, 1997 -5- 963-2178 <br />• <br />n <br />LJ <br />runoff results in concentrated flows, occasional sampling will be conducted by Mountain <br />Coal Company to verify the effectiveness of the erosion control features. Features of the <br />SAE will be regulazly inspected and repairs will be made as may be required to ma;nra;n the <br />integrity of the SAE. <br />REFERENCES <br />Soil Conservation Service, 1983. Soils of Colorado, Loss Factors and Erodibiliry Hydrologic <br />Groupings. ~ <br />J~ <br />Schwab, Pamela, 1992. SedCAD, Version 3.1 Software Package. <br />CERTIFICATION <br />This certification applies to this office SedCAD+ analysis, based on fded infottnation <br />provided by Eric Mende (Civil Engineer), West Elk Mine, Mountain Coal Company and <br />other sources of information as referenced in the above documentation. The analysis is good <br />engineering practice, and conclusions reached, based on the information provided, aze valid <br />to the best of my knowledge. <br />`~ ~,,.,,,~, ~,/~ Date: 1127197 <br />Colorado Registration Number a 907. <br />If you have any questions or comments please feel free to contact the undersigned at <br />(303) 980-0540. <br />Sincerely, <br />COLDER ASSOCIATES INC. <br />~~ <br />Charles H. Robinson <br />Associate <br />i~J <br />Tbl~\%U I M~3118EM3.LiR <br />Golder Associates <br />
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