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Northern Maine is home to a large reserve of manganese — critical to the production of steel and batteries — according to the Maine Geological Survey. -
This show is part of our ongoing coverage of topics relating to Maine's bicentennial.What is the geologic makeup and history of Maine? We find out what…
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© 2025 Maine Public
63 Texas Ave.
Bangor, ME 04401
Lewiston Studio
1450 Lisbon St.
Lewiston, ME 04240
Portland Studio
323 Marginal Way
Portland, ME 04101
Registered 501(c)(3) EIN: 22-3171529
© 2025 Maine Public
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