OFR 200416, Inactive and Abandoned Mine ... Washington
Alder Mine, Twisp Mining District, Okanogan County, Washington Fritz E. Wolff, Donald T. McKay, Jr., David K. Norman Washington Division of Geology and Earth Resources PO 47007; Olympia, WA INTRODUCTION The Washington State Department of Natural Resources (DNR), Division of Geology and Earth Resources (DGER) is