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University of Nevada

1999 Grand Target Mine Feasibility Study

spring 1999

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Table of Contents

1999 Grand Target Mine Feasibility Study

Project Overview

Environmental Concerns

Environmental Concerns

Reserve Estimation

Reserve Estimation

Total Mineable Reserves

Main Decline: Plan View

Main Decline: Long Section View

Main Decline: Section View

Underground Development

Primary Development to Ventilation Raises

Step 1: Drive top and bottom sill drifts

Step 2: Drill 36 - 6.5 inch diameter blast holes

Step 3: Blast and muck the 1st 14-ft slab of ore

Step 4: Blast and muck the 2nd 14-ft round

Step 4: Blast and muck the 3rd 14-ft round

Auxiliary Ventilation on Working Levels

Major Equipment

Auxiliary Equipment

Financial Analysis

Economic Analysis

Recommendations

Author: Jonas Pearce

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