Omschrijving
Paul Garvin is professor emeritus of geology at Cornell College and the author of Iowa’s Minerals: Their Occurrence, Origins, Industries, and Lore (Iowa, 1998).
Anthony Plaut is a professor of art at Cornell College.
Paul Garvin is professor emeritus of geology at Cornell College and the author of Iowa’s Minerals: Their Occurrence, Origins, Industries, and Lore (Iowa, 1998).
Anthony Plaut is a professor of art at Cornell College.