2018-08-16_REVISION - M2012032

• Permit No: M2012032
• IBM Index Class Name: Revision
• Doc Date: 8/16/2018
• Doc Name: Request for Technical Revision
• From: Brian K. Briggs
• To: DRMS
• Type & Sequence: TR10
• Email Name: THM
• Email Name: WHE
• Media Type: D
• Archive: No

Ouray Silver Mines Inc.
Technical Revision 10 August 10, 2018
Revenue Mine
Five-stage Passive Treatment System
Appendix A: Modification 4 of CDPS Permit #C00000003