Use of Mines in Trench Warfare (From the French School of St. Cyr)

by Army War College

Fig. I.

—Example of Mine Craters—

1 Mine Crater to be occupied
t First line trench
E Crater
B B¹ B² Communicating trench
T Trench crowning rim on enemy side
M M¹ Machine gun on flanks
E E¹ E² New galleries
R Wire entanglement

Fig. II.

—Mine Crater occupied by the enemy—

E Mine Crater
T 1^st line trench
G¹ Gallery destroyed by explosion
G G² Intact galleries allowing explosions to be placed
F F² Which fill up enemy crater

Fig. III.