13.1.1917: Major CB JOHNSON assumed Temporary Command vice Lt.-Col. E HALL DSO on short leave to England.

1/6th Battalion War Diary [WO/95/2694]

13th: Four SAPS were cut in the enemy wire opposite our Battalion front with tubes of ammonal by 4 parties each consisting of 1 Officer, 12 other ranks and 1 sapper. Two ammonal tubes to each gap. Parties left our wire at 8.00pm and exploded the eight tubes at ZERO hour (9.08pm) and all parties returned to our lines without casualties by 9.26pm. Very little retaliation on the part of the enemy.

1/5th Battalion War Diary [WO/95/2694]

13th: Left sub-sector shelled during the afternoon. 5th Battalion exploded eight and 7th Battalion exploded six ammonal tubes in the enemies line successfully.

139 Infantry Brigade: Headquarters War Diary [WO95/2692]