A guide to the Indian tribes of the Pacific Northwest by Ruby, Robert H
Sources of the River by Nisbet, Jack
Camping Washington: A Comprehensive Guide to Public Tent and RV Campgrounds by Giordano, Steve
Late frontier by Wilson, Bruce A
Gold panning the Pacific Northwest by Romaine, Garret
Images of Okanogan County as photographed by Frank S. Matsura by Matsura, Frank
Building the Columbia River Highway by Willis, Peg
Ferryboats on the Columbia River, including the bridges and dams by Ruby, Robert H
Indians of the Pacific Northwest by Ruby, Robert H
The North Cascades by Dietrich, William
Sagebrush country by Taylor, Ronald J
The Rusty Dusty by McCulloch, Mac
Hiking through history, Washington by Barnes, Nathan
Ranching in the Okanogan
A field guide to edible mushrooms of the Pacific Northwest by Winkler, Daniel
Gee Whiz
Fire, faults & floods by Mueller, Marge
Okanogan County ... a profile by Widel, Glen
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