One day while fishing in the Yellowstone River, Field thought about his big, expensive--and mostly idle--press.

FORBES: Entrepreneurs

The July 2011 rupture of the 12-inch pipeline under the river near Laurel fouled 70 miles of the Yellowstone River's banks, killing fish and wildlife and prompting a massive, months-long cleanup.

NPR: APNewsBreak: $1.7M Penalty Proposed In Exxon Spill

In 1998, while fishing the Yellowstone River, he got an idea: There must be scads of small-town printers like me, in the same boat, as it were--big debt payments on the printing press and not enough work to pay it off.

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The company, however, continued to run crude beneath the Yellowstone after finding that a section of pipeline leading away from the river was still buried more than 6 feet deep.

NPR: APNewsBreak: $1.7M Penalty Proposed In Exxon Spill

Wolves in the Grand Teton and Yellowstone national parks, the John D Rockefeller Jr Memorial Parkway and the Wind River Indian Reservation will be protected from hunting.

BBC: Wyoming drops federal protection of gray wolves