Mining Details: The Force Crag Vein courses E-W, has a hade of about 1 fathom in 3 to the N and is believed to run from the head of Coledale to Lanthwaite Green near Crummock Water. The low workings, levels 0, 1, 2 and 3, yielded baryte, blende and galena (35 0zs silver per ton of lead metal) in the ratio of approximately 30:10:1, whilst the ...Web