| Maker of rare-earth magnets, Project Earth II, to set up shop in Colorado | ||
| The Denver Post; BizWest - November 20, 2023 | ||
| Efforts to reduce dependence on China for rare earth minerals hits a snag | ||
| April 22, 2020 | ||
| US State Department launches online tool to stake claim to world's rare earth minerals | ||
| March 2, 2020 | ||
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