The fonds reflects Marshall's participation in lapidary clubs in Edmonton and includes correspondence membership lists, treasurer's reports of the Edmonton Tumblewood Lapidary Club dating from 1960 to 1995; the newsletter of the Edmonton Tumblewood Lapidary Club, Tumblewood Tales, dating from the 1970s to the 1990s; minutes of the Gem and Mineral Federation of Canada; logos designed by Marshall Wynnychuk for lapidary clubs; bulletins, programs, minutes of the Calgary Rock and Lapidary Club dating from 1987 to 1990; bylaws, pamphlets, of newsletters of the Gateway Rockhounds; the newsletter of the Gateway Rockhounds, Rockhounds, dating from the 1980s; plans for the Northern Alberta Gem and Mineral Show dating from 1988; bulletins, pamphlets for the Strathmore Archaeological Society; and the Strathmore Archaeological Society's newsletter, To the Point, dating from the 1980s.