Archaeology Study Group Meeting. 7:30 p.m. College of Dupage, - Tech Ed Building (TEC), Room 1038B (Map) Topic: Dr John Ruskamp will speak on "Asiatic Echoes" The identification of ancient Chinese pictograms in pre-Columbian North America rock writing.n Article about John Ruskamp and his work: http://usa.chinadaily.com.cn/life/2014-01/11/content_17230727.htm