mid devon

I'm sure some that will know of the 'hidden' ww2 communication bunkers dotted around the coastline, the remaining sections of railway, tunnels and various other structures from the 50/60's along with multiple smuggling and mining tunnels that are within the North Devon area. I'm looking for...

In rurual Mid Devon sat in a field, out of sight from the road that runs parrael, is an underground ROC Post. The ROC Post has a green lid to it which is not locked. After uncovering the lid there is a small shaft with a metal ladder decesending into the bunker. The post is not huge in size but...