I t w a s p r i m a r i l y t h e C a l e d o n i i t r i b e o f t h e C e l t s w h o f o u g R o m a n l e g i o n s c o u l d s t r i k e a t t h e C e l t s. ... of the w a ll, the R o m ans a dde d a 27' w i d e an d 10'-12' d e e p di tch. T o the south of the w a ll, ...
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