Midcontinent Pennsylvanian Edestidae is Report of Investigations Number 33, 1965. These specimens were found in Henry and Boone Counties, Missouri, at the site of excavations for a U. S. Air Force Minuteman Missel silo and in the Peabody Coal Company, Mark Twain mine in Boone County. Deaccessioned 04/10/2012. Not in Mission.