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The Leodville Mill M1990-057 <br /> TABLE OF CONTENTS <br /> TABLE OF CONTENTS <br /> TABLEOF CONTENTS .................................................................................................... <br /> LISTOF TABLES............................................................................................................V <br /> LISTOF FIGURES .........................................................................................................VI <br /> 1.0 INTRODUCTION & BACKGROUND..................................................................1-1 <br /> 1.1 SITE BACKGROUND............................................................................................................ 1-2 <br /> 1.2 REFERENCES.................................................................................................................... 1-4 <br /> 2.0 EXHIBIT A- LEGAL DESCRIPTION & LOCATION MAP (SEC 6.3.1).....................2-1 <br /> 3.0 EXHIBIT B-SITE DESCRIPTION (SEC 6.3.2) .....................................................3-1 <br /> 3.1 CLIMATE............................................................................................................................ 3-1 <br /> 3.2 REGIONAL GEOLOGIC SETTING.......................................................................................... 3-3 <br /> 3.3 ORE DEPOSITS.................................................................................................................. 3-4 <br /> 3.4 SOILS(SEC 6.3.2(A))......................................................................................................... 3-4 <br /> 3.5 VEGETATION(SEC 6.3.2(B)).............................................................................................. 3-5 <br /> 3.6 WILDLIFE(SEC 6.3.2(D))................................................................................................... 3-5 <br /> 3.7 WATER RESOURCES&HYDROLOGY(SEC 6.3.2(C)) ........................................................... 3-5 <br /> 3.8 REFERENCES.................................................................................................................... 3-7 <br /> 4.0 EXHIBIT C- MILL PLAN (SEC 6.3.3).................................................................4-1 <br /> 4.1 BACKGROUND...................................................................................................................4-1 <br /> 4.2 MILL MANAGEMENT ACTIVITIES(SEC 6.3.3(2)(A))...............................................................4-3 <br /> 4.2.1 PROCESS FLOWSHEET.....................................................................................4-3 <br /> 4.2.2 PROCESS MATERIAL BALANCE..........................................................................4-7 <br /> 4.2.3 LABORATORY...................................................................................................4-9 <br /> 4.2.4 CHEMICAL REAGENT INVENTORY......................................................................4-9 <br /> 4.2.5 SOLUTION MANAGEMENT................................................................................4-12 <br /> 4.2.6 DUST CONTROL.............................................................................................4-14 <br /> 4.3 TAILINGS STORAGE FACILITY(TSF)(6.3.3(2)(B)) .............................................................4-19 <br /> 4.3.1 TSF CONSTRUCTION PREPARATION(6.3.3(2)(B))...........................................4-21 <br /> 4.3.2 SUBGRADE PREPARATION(6.3.3(2)(B))..........................................................4-21 <br /> 4.3.3 TSF STABILITY&TSF DESIGN(6.3.3(2)(B))...................................................4-23 <br /> 4.3.4 GEOCOMPOSITE DRAINAGE LAYER(6.3.3(2)(B)).............................................4-23 <br /> 4.3.5 GEOSYNTHETIC CLAY LINER(6.3.3(2)(B)) ...........................I..........................4-24 <br /> 4.3.6 LEAK DETECTION SYSTEM(6.3.3(2)(B)) .........................................................4-24 <br /> 4.3.7 POLYPROPYLENE LINER(6.3.3(2)(B)) ...........................................................4-25 <br /> 4.3.8 INITIAL TSF LINER STABILIZATION(6.3.3(2)(B)) ............................................4-26 <br /> 4.3.9 QA/QC(6.3.3(2)(B)).....................................................................................4-26 <br /> Version 3 JANUARY 2021 <br />