Here is a great site showing the research done by Mr. Raney of the Oak Cemetery Preservation Society as well as his participation in the Fort Smith Historical Society. This site lists many of the deputies and other federal court officials buried in Oak Cemetery at Ft Smith, Arkansas.

http://www.fsark.com/Parks/parks/oak_cemetery/marshals.html

On the Trail
Diron Ahlquist
editor, Oklahombres Journal