| CHAPTER | | PAGE | | I. | INTRODUCTORY | 1 | | II. | TO THE FRONT | 12 | | III. | UNDERGROUND | 27 | | IV. | CRATER FIGHTING | 44 | | V. | TUNNELLING IN THE VIMY RIDGE TRENCHES | 61 | | VI. | CHALK CAVERNS AND TRENCH MORTARS | 78 | | VII. | AROUND THE VIMY RIDGE | 97 | | VIII. | THE SOMME SHOW | 115 | | IX. | THE BATTLE OF THE ANCRE | 127 | | X. | THE RETREAT OF ARRAS | 142 | | XI. | THE BATTLE OF ARRAS | 162 | | XII. | THE HINDENBURG LINE | 176 | | XIII. | THE PSYCHOLOGY OF FEAR | 199 | | XIV. | SOME PRINCIPLES OF MINING | 207 |
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