Powder River’s second largest flood of record (1919?2012) moved through northeastern Wyoming and southeastern Montana during May 1978. Within a ninety-kilometer reach of the channel in southeastern Montana, the most prominent planform effects of the flood
Meade, Robert H. rhmeade@usgs.gov,Moody, John A. jamoody@usgs.gov. Erosional and depositional changes wrought by the flood of May 1978 in the channels of Powder River, southeastern Montana. 2013-01-01.