M.P. 6

18 Div Arty

I enclose plan showing routes of F.O.O lines as arranged.

Each red line represents a pair.

All lines except from battalion at A 7/3 to CARNOY exchange are under floor of trenches.

Will you please return this tracing when done with.

M.T. Porter Captain

O/C Sigs 18^th Div

29/5/16