Minnesota Star Tribune

Minnesota taconite operations – past and present

The state's second wave of iron mining began in the 1950s, using new technology to process an ore called taconite into pellets.

By Raymond Grumney

November 21, 2014 at 4:17PM

(Raymond Grumney/The Minnesota Star Tribune)

about the writer

Raymond Grumney

News Graphics Director

Ray Grumney is the news graphics director at the Star Tribune, with a proven 30-year award-winning track record. He is a driven visual journalist focused on developing and implementing high-impact design solutions to sometimes complicated data-driven stories.

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Medical emergency turns into nightmare as ICE detains Mounds View couple en route to ER

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