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A resource for reliable information about significant people, places, events, and things in Minnesota history.
A piece of drill core used by E. J. Longyear near Mesabi station, ca. 1890. The piece measures approximately two and a half inches long and about one and an eighth inches in diameter.
Made possible by the Arts and Cultural Heritage Fund through the vote of Minnesotans on November 4, 2008. Administered by the Minnesota Historical Society.
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