1. Gold region approaches by Copper River and the Dalton Trail Yale Public content 1897. 2002-12-09T16:59:47Z. 2019-05-13T18:24:36Z. Tyrrell, Joseph Burr, 1858-1957. J.B. Tyrrell, Andrew B. Graham, photo-litho). English. Public. Copper River Region (Alaska), Yukon Territory, Alaska, and Copper River Region.