PERMFILE108634

• Permit No: C1981014
• IBM Index Class Name: Permit File
• Doc Date: 12/11/2001
• Section_Exhibit Name: EXHIBIT 19 APPENDIX A POST CONSTRUCTION POND AND DITCH CERTIFICATIONS
• Media Type: D
• Archive: No

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DORCHESTER MINE N0. 1
P. 0. Box 449
Florence, Colorado 81226
POST-CONSTRUCTION CERTIFICATION
OF SEDIMENTATION PONDS
Date of Certification July 10, 1984
Pond Identification: Sedimentation Pond AS
Pond Location: Section 19, T20S, R69W
• STATEf4ENT Of CERTIFICATION
1, David J. Brent a Registered Engineer in the State of
Colorado, holding Certificate No. 13290 hereby certify that
on July 10, 1984 the above identified sedimentation
pond facility was inspected under my supervision, and that said facility
was found to be in general conformance with the plans approved by the
Mined Land Reclamation Division, Colorado Department of Natural Resources
on March 1, 1984 The sediment and r city of the
facility equals or exceeds the requirem P~.6S~~i(I' S.6 CMLRB
Regulations. ;~ •.
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Comments: It is recommended that a flap valve or equivalent be
installed on the east end of the secondary inlet culvert
to prevent water from backing up into the culvert.