Linked url suggests siderite mining for a nearby medieval bloomery (of which no trace remains).
Accesible just up-slope from river.
External Links
Birches - 209m
Tonnacliffe - 311m
Broadley - 470m
Bell Isle - 583m
White Hill Coal Pits - 819m
Toadleach - 834m
Healey Hall - 905m
Knacks Quarry - 965m
Colliery - 971m
Greenland - 1,050m
Shore Quarry - 1,117m
Hopwood Hall Coal Pits - 1,145m
Whimsy Coal Pit - 1,171m
Whimsy Quarry - 1,230m
Clough Quarry - 1,273m
Brown House - 1,292m
Waingap - 1,355m
Brown Hill - 1,364m
Colliery - 1,365m
Healey Stones - 1,374m
Black Heywood - 1,390m
Hall Fold - 1,459m
Cat Stones Quarry - 1,478m
Rooley Moor (b) - 1,485m
Limed Delf - 1,564m
Rooley Moor (a) - 1,646m
Pike Brow Quarry - 1,722m
Nab Road Coal Pits - 1,731m
Brotherod - 1,733m
Lower Healey Coal Pits (Gale) - 1,785m
Doldrum - 1,947m