Harford Chalk Mine resides on the south side of Norwich . At the time of writing there is very little history to be gleaned about this particular Mine, needless to say it was the last to close and dates back to around the early 1800s. These Mines run all under the Norwich Area, used to Mine Chalk for later turning into Mortar, summat to do with the Lime content and also Norfolk flint a valuble Norfolk building commodity. This was a Leviathan compared to the Rosary road Mine, and had various different twists and turns to at least a kilometre underground, and maybe more besides. The Pics,