Dee Cort Keith Hammitt 
Last updated: 22.06.17
All that can presently (December 2015) be gleaned about by internet searching is that Dee Cort Keith Hammitt is the one-off composer of South Dakota Rag (1913) published by The H. Kirkus Dugdale Co., Washington, D.C., USA.
Surfers are welcome to contribute information about this composer.