H. P. McCAIN,
The Adjutant General.
CONTENTS.
| Page. | ||
| Use of mines | [5] | |
| Specially menaced points | [5] | |
| Surface observations | [5] | |
| Indications revealing enemy galleries | [6] | |
| Listening for underground noise | [6] | |
| Position of listening posts | [6] | |
| Hours and precautions | [7] | |
| What is heard | [7] | |
| Distance at which noise can be heard | [7] | |
| Direction from which noise comes | [8] | |
| Useful information on mines | [8] | |
| Defensive systems | [8] | |
| Interval between galleries | [8] | |
| Start, depth, and progress of work | [9] | |
| Barrage trench for miners | [9] | |
| Camouflet | [9] | |
| Offensive galleries | [10] | |
| Superimposed galleries | [10] | |
| Mine chamber | [11] | |
| Launching an attack | [11] | |
| Craters | [11] | |
| Craters to be occupied | [11] | |
| Craters that the enemy occupies | [12] | |
| Craters not occupied | [12] | |
| Diagrams | [9], [10], [12], [13] | |
USE OF MINES IN TRENCH WARFARE.
[From the French St. Cyr School.]