Washington State – Links
Northwest Origins An Introduction to the Geologic History of Washington State – Burke Museum; Catherine L. Townsend & John T. Figge
Washington State – Books
Hiking Washington’s Geology – Scott Babcock & Bob Carson
North Cascades - Links
Geologic Map of the North Cascades Range – Ralph A. Haugerud & Rowland W. Tabor
Geology of the Methow Valley – Julian D. Barksdale
Methow Valley Geologic History and Mapping - USBR
Emplacement of The Twin Sisters Dunite – Donal M. Ragan
Geology of the Doe Mountan Quadrangle - Victoria R. Todd
North Cascades – Books
Geology of the North Cascades – A Mountain Mosaic - Ralph A. Haugerud & Rowland W. Tabor
Columbia River Basalt Group – Links
A Summary of Columbia River Basalt Group Geology….Hydrology – Columbia Basin GWMA of Adams, Franklin, Grant and Lincoln Counties
Influence Of Basalt On The Terroir Of The Columbia Valley American Viticultural Area – K. R. Pogue, Department of Geology Whitman College