lead vein
21Durham Coast — Site of Special Scientific Interest Blackhall Rocks on the Durham coast …
22Charity Land — Coordinates: 54°42′16″N 1°25′8″W / 54.70444°N 1.41889°W / 54.70444; 1.41889 …
23Close House Mine — Coordinates: 54°36′2″N 2°14′4″W / 54.60056°N 2.23444°W / 54.60056; 2.23444 …
24Cornriggs Meadows — Coordinates: 54°46′10″N 2°14′24″W / 54.76944°N 2.24°W / 54.76944; 2.24 …
25Cotherstone Moor — Coordinates: 54°32′55″N 2°5′37″W / 54.54861°N 2.09361°W / 54.54861; 2.09361 …
26Crag Gill — Coordinates: 54°36′26″N 1°57′38″W / 54.60722°N 1.96056°W / 54.60722; 1.96056 …
27Crime Rigg and Sherburn Hill Quarries — Coordinates: 54°46′7″N 1°27′58″W / 54.76861°N 1.46611°W / 54.76861; 1.46611 …
28Dabble Bank — Coordinates: 54°47′5″N 1°26′5″W / 54.78472°N 1.43472°W / 54.78472; 1.43472 …
29Derwent Gorge and Horsleyhope Ravine — Coordinates: 54°50′0″N 1°55′3″W / 54.833333°N 1.9175°W / 54.833333; 1.9175 …
30Mere Beck Meadows — Coordinates: 54°33′47″N 2°4′35″W / 54.56306°N 2.07639°W / 54.56306; 2.07639 …
