All work was carried out by regimental officers and men without help from the engineers, who were fully employed in mining. The garrison of the village and the front line trenches in the vicinity was about one battalion, but the fire trenches were sufficient for three battalions.
CHAPTER V[1]
[1]: This chapter reprinted from Infantry Journal.
Use and Improvement of Natural Cover
A screen or mask consists of hedges, crops, underbrush, etc., which hide the rifleman without, however, protecting him from fire.
Cover or shelter consists of walls, earthworks, etc., which protect the rifleman from fire.
On the battlefield, natural features that screen and shelter should be utilized as much as possible, as they possess the following advantages over artificial works:
(a) Their organization demands less work.