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Major Mining Processing Sites
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Mountain Pass mine, California — production, ownership, and remediation timeline (1950–present)
1949 - 2025
20 entries
Mount Weld rare earth operations and Lynas processing history, Western Australia (1998–present)
2000 - 2026
14 entries
Bayan Obo mining district, Inner Mongolia — discovery, development, and output (1950s–present)
1927 - 2024
16 entries