Random triples
| Subject | Object |
|---|---|
| gptkb:Independence_Mine | over 100,000 ounces of gold |
| gptkb:Bahia_Amethyst_Mine | varies annually |
| gptkb:Consolidated_Virginia_Mine | millions of dollars |
| gptkb:Mount_Potosi | historical silver production |
| gptkb:Mamatwan_Mine | high-quality manganese |
| gptkb:Mount_Isa_Mines | produces significant quantities of copper, lead, and zinc |
| gptkb:Schwaz_mining_district | gptkb:silver |
| gptkb:Ranger_Uranium_Mine | varied annually |