What elongate trend containing deposits of iron ore is in Marble, Minnesota?
Hill-Annex Mine State Park: Hill-Annex Mine State Park is a state park of Minnesota, United States, interpreting the open-pit mining heritage of the Mesabi Range. Mesabi Range: The Mesabi Iron Range is an elongate trend containing large deposits of iron ore, and the largest of four major iron ranges in the region collectively known as the Iron Range of Minnesota.
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