1. Reconnaissance map of Yukon-Tanana Region, Alaska, Circle quadrangle Yale Public content 1911. 2011-05-13T20:24:48Z. 2016-11-18T19:41:10Z. Geological Survey (U.S.). U.S. Geological Survey. English. Public. Charley River (Alaska) and Yukon-Charley Rivers National Preserve (Alaska).