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Related Clues:
- Sources of rocky riches
- Loads on 35 Across
- Shipments to smelteries
- Mining products
- Veins found in a mine
- Smeltery materials
- Tram's load
- Stuff in mine veins
- Extractions from mines
- What assayers assay
- Shipments to refineries
- Mineralogical stuff
- Chalcopyrite and others
- Bauxite, et al
- Rocks whose names often end in '-ite'