Author: Hughes, J. Donald (1932-2019) Publisher: Grand Canyon Natural History Association Pub Date: 1978 Binding: Paperback Condition: Fair to Good.  Binding tight.  No tears, bends.  Previous owner’s name and locational information on ffep.  Lower front cover corner has approx. 1/2″ fold.  Edge and corner wear.  Scuffing to cover. Notes: 4000 years of human history at/in/around…