The article focuses on the Hopewell notched blade which was found on Mississippi Rover at McMahan mound group and mentions that the biface was discovered by genealogy researcher William Andrew "Bill" Marburger. Topics discussed include Hopewell trade network as copper reflected by assortment of artifacts, excavations over the Trempealeau- La Crosse area and Marburger-Roberts lithic which is believed to be Hopewell blade.