AA       Positional Coordinates Location
AB       Public Land Survey Coordinates Location
AC       Cross Streets Location
AD       Map Location
AE       Grid Bounds Location
AF       Marker Location
AL       Aircraft Landing Location
AT       Antenna Location
FC       Facility Location
LL       Loss Location
PL       Property Location
RC       Recovery Location
RL       Risk Location
TT       Transported to Location
VL       Vehicle Location
WB       Wellbore Bottomhole Location
WE       Wellbore Entry Point Location
WK       Wellbore Kickoff Point Location
WL       Witness Physical Location
WS       Wellbore Surface Location
WX       Wellbore Exit Point Location
ZZ       Mutually Defined