The usual, Private, Danger, you are being watched etc. This is the site of Third Energy. Ebberston Moor A.Gas was discovered here in 1966 and produced gas between May 1971 and 1974.
Uploaded to Geograph by Martin Dawes on 25 October 2017
Photo © Martin Dawes, 25 October 2017. Licensed for reuse under this Creative Commons licence