RKT Nordic Butterfly. The Morgan Horse Magazine Feb 2002

https://www.allbreedpedigree.com/rkt+nordic+butterfly

A pedigree of mostly Brunk with some Western Working Family, Old Midwest, Lippitt, and Gov't. 

He goes back to some old time breeders who loved the good, stout, typey, Morgan that could work. 

He sired a lot for RKT prefix and also for others.