National geographic
The Confluence
Polk city directory
Ancient places by Nisbet, Jack
Russell Wilson by Fishman, Jon M
The creaky knees guide by Blair, Seabury
Backpacking Washington : overnight and multiday routes by Romano, Craig
Sources of the River by Nisbet, Jack
Winter brothers by Doig, Ivan
Eager by Goldfarb, Ben
The Intrepid Brotherhood by Graham, Gordon
Day hike! North Cascades by McQuaide, Mike
Marks on a bundle of leaves by Byrd, Robert
A history of central Washington by Hull, Lindley M
Washington disasters by Mcnair-Huff, Rob
Day hiking : Snoqualmie region : cascade foothills/I-90 corridor/alpine lakes by Nelson, Dan A
The Night the mountain fell, and other stories of north central Washington history
Columbia Highlands by Romano, Craig
Pioneers of North Central Washington by Anderson, Eva Greenslit
Memories of Mount St. Helens by Erickson, Jim
Native river by Layman, William D
Washington by Stein, R. Conrad
The weather of the Pacific Northwest by Mass, Cliff
Cascadian Hotel by Knowles, Helen J