From Large Zones to Small Terranes to Detailed Reconstruction of an Early to Middle Ordovician Arc – Backarc System Preserved Along the Iapetus Suture Zone: A Legacy of Hank Williams - Zagorevski, A. ; McNicoll, V. ; van Staal, C.R. ; Kerr, A. ; Joyce, N. (Geoscience Canada, 2015)