By Mail HQ, Missouri National Recreational River P. O. Box 591 O'Neill, NE 68763
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Missouri National Recreational River P.O. Box 666 Yankton, SD 57078
By Phone Headquarters NPS: 402-336-3970 Visitor Information NPS: 402-667-2550
By Fax 402-667-2552
Did You Know?
Sergeant John Ordway--not Lewis, not Clark--gave the name "prairie dog" to the animal then new to science. Expedition members discovered it along what is now the 39-mile reach of Missouri National Recreational River.
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