Location of Black RocksFrom the British Geological Survey Site Plan of Black Rocks SpringFrom the British Geological Survey. Says Russ Boyack: It has a tank associated with it. This was an Arkwright spring supply for his village. It runs off the… Black Rocks c.2020 OS mapA tank is shown on modern Mapping - first appeared about 1969. Black Rocks Spring Record Rogulem SpringWillow Well Intake Lane