_:YwBXxAgm1440 "351497". _:YwBXxAgm1440 . "Source: Freebase - The World's database". "8fe34c4102397625ec33e00814cee520736aeb2eea70689ddd4bf55e5c0bf40b". "Chuquicamata, the second largest open pit copper mine in the world, Chile."@en. . "3763053"^^. . . . . . . . . . _:YwBXxAgm1440. "1369.0"^^. . "2126.0"^^.