Table of Contents

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Introduction

• Description of Tools


• The Problem


• History

Technique

• Drilling


• Breaking Rock


• Rock Types


• Wedges (Plugs) and Feathers


• Miscellaneous Tips


• Picking

Maintenance

• Drilling Steel


• Drilling Hammers


• Wedges and Feathers


• Picks

Sources of Supply

• Drilling Steel


• Drilling Hammers


• Wedge and Feather Sets


• Picks

Conversion Tables

Bibliography