There are some interesting archive photos of Flowedge coal mine near Alston here.
They're in the Flowedge lead mine folder though if somebody who has suitable powers wants to pop them in the right place.
Photograph:
🔗Flow-edge-Lead-mine-Archive-Album-Image-007[linkphoto]Flow-edge-Lead-mine-Archive-Album-Image-007[/linkphoto][/link]