Okanogan County heritage
National geographic
Day hiking Eastern Washington : Kettles-Selkirks, Columbia Plateau, Blue Mountains by Landers, Rich
Washington's history by Ritter, Harry
A history of central Washington by Hull, Lindley M
Forgotten trails by Anglin, Ron
Columbia Highlands by Romano, Craig
The Night the mountain fell, and other stories of north central Washington history
Pacific Northwest medicinal plants by Kloos, Scott
The Pacific Northwest by Schwantes, Carlos A
Day hike! Central Cascades by McQuaide, Mike
The North Cascades by Dietrich, William
Go-La'-Ka Wa-Wal-Sh (Raven Speaks) by George, Wendell
Skid road by Morgan, Murray
W is for Washington
Pioneer dreams
Postmarked Washington by Ramsey, Guy Reed
WA129
Adventures on the Columbia by Cox, Ross
Indian legends of the Pacific Northwest by Clark, Ella E
Wild roads Washington : 80 scenic drives to camping, hiking trails, and adventures by Blair, Seabury
Okanogan County ... a profile by Widel, Glen
Plants of the Pacific Northwest coast
Journal of mule train packing in eastern Washington in the 1860's by Watt, James W