Abbreviations on WWI Maps
NOTE: the abbreviations listed below will often appear on the maps in conjunction with others in the list (e.g. F.S.Co., R.E.)
A.P. & S.S. = Army Printing & Stationery Services
Bn. = Battalion
Bttn. = Battalion
C.C.S.S. = Canadian Corps Survey Section
Co. = Company
Coy. = Company
F.S. = Field Survey
GR. KART.-ST. = Gruppen Karten Stelle
G.S.G.S. = Geographical Section General Staff
H.Q. = Head Quarters
O.S. = Ordnance Survey
O.S.O. = Ordnance Survey Overseas
O.S.O.B. = Ordnance Survey Overseas Branch
R.E. = Royal Engineers
T.S. = Topo (Topographical) Section
C.T.S. = Corps Topo (Topographical) Section
W.O. = War Office
