- Igneus rock, crushed and broken-quarrying (7)
- Basalt, crushed and broken-quarrying (2)
- Trap rock, crushed and broken-quarrying (4)
- Boulder, crushed and broken-quarrying (2)
- Grits mining (crushed stone) (5)
- Sandstone, crushed and broken-quarrying (3)
- Slate, crushed and broken-quarrying (2)
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- Crushed and broken stone, nec
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