—Mine crater not to be occupied—
t Jumping off trench
T Trench crowning friendly rim
1 2 3 4 5 Loopholes overlooking the bottom and enemy rim
M M1 Flanking automatic rifle
R Wire entanglement
Fig. IV. Mine Crater between two lines
Aim:—
Create an elevated earth position for
placing machine guns or throwing bombs
at M and M1 which enfilade the portion t & t1
of enemy trench.
Fig. V. Mine Crater for flanking purposes, -1see Fig. I & III.
Fig. VI. Destroying a portion of enemy trench by means of two mine craters.
B B1 Communicating German trenches cut off by explosion.
S S1 Salient under which E.E are exploded.
All flanking machine guns between S & S1 cut off by rims of craters.
TRANSCRIBER'S NOTE