platitood t1_j15jn1s wrote
Reply to comment by OHoSPARTACUS in When this bridge in Fort Benton, Montana, USA was built 1888 it was required to have a swing span to allow steamboats to navigate. It was considered the furthest navigable point on Earth, more than 2,700 miles from the Gulf of Mexico. by triviafrenzy
They put the steam on a boat.
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