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PERMFILE47934
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PERMFILE47934
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Entry Properties
Last modified
8/24/2016 10:49:56 PM
Creation date
11/20/2007 1:22:09 PM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
C1981023
IBM Index Class Name
Permit File
Doc Date
1/27/2005
Section_Exhibit Name
Exhibit 7 Sediment Part 4
Media Type
D
Archive
No
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K. M. (Mike) KOLIN, P. E. <br />Mine Engineer <br />14581 West Archer Avenue <br />Golden, Colorado 80401 <br />(303)279-8867 <br />Mr. Jerry Koblitz October 10, 1997 <br />Principal <br />Greystone Environmental Consultants <br />5990 Greenwood Plaza Blvd. -Suite 250 <br />Englewood, CO 80111-4712 <br />RE: Chimney Rock Reclamation Inspection <br />Dear Mr. Koblitz: <br />On October 8, 1997, I inspected the Chimney Rock Mine to observe that drainage <br />ditches and sediment ponds had been properly removed and graded and that adequate <br />permanent drainage had been established. Following are my observations and comments: <br />• Sediment Ponds No. 002, 003, 004, 005, and Sediment Trap A have been removed from <br />service, graded, and topsoiled for seeding. <br />• Drainage Ditches No. lA, 1B, 2Na, 2Nb, 2S, 2526, 2S2c, 2Na, 2Nb, 3N1, 3N2, 3Na, <br />3Sa, 356, 3Sc, 3Sd, 4Na, 4Nb, SNa, SNb, SNc, SSa, and SSb have been removed from <br />service, graded, and topsoiled for seeding. <br />• Drainage Ditches No. 2S2a, 251, 3Na (part), 3Nb, 3Bc, and 3Sb have been left as <br />permanent drainage. <br />• Short new diversion structures have been constructed to provide permanent drainage at <br />the locations shown on the revised MAP 8, Drainage Control Plan. These structures <br />appear adequate for permanent runoff management. <br />MAP 8 has been revised to reflect current (final) topography. The attached <br />photographs document the appearance of most of the reclaimed areas as well as the new <br />diversion structures. Should you have questions or wish additional discussion, please call. <br />Very tru your,` Q,PO„o~ <br />Oo~,M. <br />o° <br />~_ 56 <br />K. M. Kolin <br />Mine Enein~ <br />
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