DNR’s Drill Core Library drives discoveries by preserving the past

from Up North Report · host Civic Media

Three warehouses in Hibbing store over 3 million feet of core from over 20,000 holes drilled throughout Minnesota, keeping a “natural record” of the state’s geology.

Episode metadata supplied by the publisher feed · Published Jan 19, 2026

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DNR’s Drill Core Library drives discoveries by preserving the past

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