1. Reconnaissance geologic map of the east half of the Bend quadrangle, Crook, Wheeler, Jefferson, Wasco, and Deschutes counties, Oregon Yale Public content 1969. 2012-10-11T19:09:14Z. 2022-12-08T04:40:56Z. Swanson, Donald A. (Donald Alan), 1938-. U.S. Geological Survey. English. Public. Oregon, Crook County, Wheeler County, Jefferson County, Wasco County, and Deschutes County.