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Ira A. Williams

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Stand Alone

Geologic History of the Columbia River Gorge, As Interpreted from the Historic Columbia River Scenic Highway (Jack Murdock Publication Series on the)
Tests of Iowa Limes (Classic Reprint)
Some Little-Known Scenic Pleasure Places in the Cascade Range in Oregon
Geology of the Columbia River Gorge Its Geologic History Interpreted from the Old Columbia River Scenic Highway