There are several useful maps to be seen.

Gloucester Count Records have:-

Proposed Railway 1840 Q/RUm 169/1, unbound copy 1st March 1838 Q/RUm 160 and 164 (1839). The advantage of these is that houseowners are shown.

Another one is Sopwith Map of 1835 to show iron mines in Forest. I think the ref. is Q/RUm 173/1 and 2.

Regards,

Roger