Sources of the River by Nisbet, Jack
Camping Washington: A Comprehensive Guide to Public Tent and RV Campgrounds by Giordano, Steve
A guide to the Indian tribes of the Pacific Northwest by Ruby, Robert H
Gold panning the Pacific Northwest by Romaine, Garret
Building the Columbia River Highway by Willis, Peg
Indians of the Pacific Northwest by Ruby, Robert H
Sagebrush country by Taylor, Ronald J
The Rusty Dusty by McCulloch, Mac
Hiking through history, Washington by Barnes, Nathan
Late frontier by Wilson, Bruce A
Ranching in the Okanogan
Fire, faults & floods by Mueller, Marge
Roadside geology of Washington by Alt, David D
Exploring Washington's backroads by Deviny, John
Boom towns & relic hunters of Washington state by Smith, Jerry
Stern-wheelers up Columbia by Mills, Randall Vause
Told by the pioneers by United States. Works Progress Administration (Wash.)
Northwest weeds by Taylor, Ronald J
Hiking Hot Springs in the Pacific Northwest by Litton, Evie
Crown Jewel Wilderness by Danner, Lauren
The North Cascades by Dietrich, William
Photographing Washington by Vaughn, Greg
Washington's Northern Cascades camping & hiking by Stienstra, Tom
Discovering Washington's historic mines. Volume 5, Okanogan highlands and Ferry Country by Woodhouse, Philip R