Tectonic Lithofacies Map of the Appalachian Orogen. Compiled by renowned Newfoundland Geologist Harold “Hank” Williams with the assistance of his student Jim Hibbard. Copyright 1978 by Memorial University of Newfoundland.
Note that the Appalachians of the Ancient Continental Margin of Eastern North America are referred to as the “Humber Zone” after Western Newfoundland’s Humber Arm and Humber Valley, geographic center of the Humber Arm Allochthon.
A hard copy can be viewed at the Saltbox Restaurant and Information Center in Benoit’s Cove on the south shore of the Bay of Islands, Route 450, Captain Cook’s Trail.