. Thrilling stories of the Great War on land and sea, in the air, under the water. SECTION fHOl W^MSSHStM^tM. xttvr PROXIMATE DfA!Of *RATER Sapping and Mining the Enemys the hostile trenches are near together an open zig-zag trenchis dug to a point very close to the enemys line, then a covered gallery isexcavated to a point almost under the hostile trench.

---

Size: 2500px × 1000px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: ., boo, bookcentury1900, bookdecade1910, booksubjectworldwar19141918