Code,Interpret,Index
Coffin,C,1
Cremation,CR,2
Ditch/other linear,D,3
Destruction debris,DB,4
External (unspecified),E,10
External bank,EB,5
External cultivation,EC,6
External dump,ED,7
External occupation,EO,9
External surface,ES,8
Floor,FL,12
Furnace or other pyrotechnic instalation,FR,11
Grave,G,13
Hearth,HE,14
Make-up/levelling,MU,15
Natural strata,N,16
Natural soil,NS,17
Occupation deposit (internal),OC,18
Pit,P,19
Posthole,PH,23
Structural cut,S,20
Stakehole,SH,29
Skeleton,SK,21
Non-structural cut,SN,22
Timber,T,25
Tree hole/bowl,TH,24
Well,W,26
Wall/pier/postpad/steps etc,WA,27
Unknown/unspecified,XX,28