Six Flags America Update

Spent a little time Sunday evening scanning Six Flags America. Here's an update on their frequencies:

151.8800 [  67.0] Food/Concessions
451.8500 [ d261] Engineering (Channel 3) (R)
452.1250 [ d261] Security (Channel 5) (R)
461.1125 [ d261] Merchandise/Restaurants Alternate (Channel 6) (S)
461.4125 [ d261] Rides (Channel 1) (R)
464.3250 [192.8] Train Operations (Channel 7) (S)
464.7750 [ d423] Rides Alternate (Channel 8) (S)
464.8750 [ d261] Merchandise/Restaurants (Channel 2) (R)
465.6500 [ d331] First Aid?
467.3875 [ d261]
467.8500 [ d261] Security Alternate (Channel 4) 
468.5375 [ d331] Cleaning (Channel 12)
468.6250 [192.8]
468.9625 [ d261] "backstage" (Channel 10?)