The Roman Map of Britain Glannoventa Ravenglass, Muncaster, Cumberland

Cantiuenti vars. Cantauenti, Cantanenti (R&C 115) next
Clanoventa (AI 481₁ Iter x)
Glannibanta (ND xl₅₂)

The assignment of the form recorded in AI to Ravenglass is a key element in related assignments and equations. Haverfield's basic argument, later modified by Collingwood seems the only reasonable course. 

Ravenglass SD0895

Ravenglass Roman fort
NATIONAL MONUMENT NO: 13569

Haverfield, F. Arch. J. lxvii (1915) 77-84
Collingwood, R.G. Arch. J. lxxi (1920-21) 1-16