2013-04-19_REVISION - M1990057

• Permit No: M1990057
• IBM Index Class Name: REVISION
• Doc Date: 4/19/2013
• Doc Name: 110‎(d)‎ PERMIT APPLICATION
• Media Type: D
• Archive: No

The Leadville Mill
1.0 INTRODUCTION & BACKGROUND 1 -1
1.1 SITE BACKGROUND 1 -1
1.2 REFERENCES 1 -3
2.0 EXHIBIT A — LEGAL DESCRIPTION & LOCATION MAP (SEC 6.3.1) 2 -1
3.0 EXHIBIT B — SITE DESCRIPTION (SEC 6.3.2) 3 -1
3.1 CLIMATE 3 -1
3.2 REGIONAL GEOLOGIC SETTING 3 -2
3.3 ORE DEPOSITS 3 -3
3.4 SOILS (SEc 6.3.2(A)) 3-4
3.5 VEGETATION (SEC 6.3.2(B)) 3-4
3.6 WILDLIFE (SEC 6.3.2(D)) 3-4
3.7 WATER RESOURCES & HYDROLOGY (SEC 6.3.2(C)) 3 -5
3.8 REFERENCES 3 -6
4.0 EXHIBIT C — MILL PLAN (SEC 6.3.3) 4 - 1
4.1 BACKGROUND 4 -1
4.2 MILL MANAGEMENT ACTIVITIES (SEC 6.3.3(M)) 4 -3
4.2.1 MATERIAL HANDLING 4 -3
4.2.2 DUST CONTROL 4-4
4.2.3 GRINDING CIRCUIT 4-4
4.2.4 FLOTATION CIRCUIT 4 -5
4.2.5 CONCENTRATE CIRCUIT 4 -6
4.2.6 TAILINGS CIRCUIT 4 -7
4.2.7 CHEMICAL REAGENT INVENTORY 4 -7
4.3 TAILINGS STORAGE FACILITY (TSF)
4.3.1
4.3.2
4.3.3
4.3.4
4.3.5
4.3.6
4.3.7
4.3.8
4.3.9
TSF CONSTRUCTION PREPARATION
SUBGRADE PREPARATION
TSF STABILITY & TSF DESIGN
GEOSYNTHETIC CLAY LINER
LEAK DETECTION SYSTEM
POLYPROPYLENE LINER
INITIAL TSF LINER STABILIZATION
QA/QC
CONSTRUCTION SCHEDULE
M 1990 -057
TABLE OF CONTENTS
TABLE OF CONTENTS
4 -8
4 -11
4 -11
4 -12
4 -13
4 -13
4 -14
4 -14
4 -14
4 -18
4.4 ORE STOCKPILES 4 -19
4.5 MILL UTILITIES & SERVICES 4 -19
4.5.1 ELECTRICAL POWER 4 -19
Version 1 April 2013 i