Blackhall Colliery 1980

1027 × 756

Underground mine scene

1213 × 989

Blackhall Colliery from South

1376 × 944

Blackhall Colliery from the North East

1259 × 876

miners in underground tunnel

1229 × 1124

Blackhall Colliery 1935

1233 × 870

Miners at work underground

1300 × 854

Mining equipment in a coal mine

1264 × 1696

Mining operation with steam train

3000 × 2329

giant mining machine at quarry

1920 × 1080

jungle mining facility

1920 × 1080

Large mining truck at work

3504 × 2336