Erratic Rock

Erratic Rock a small reminder of the big floods that shaped Oregon (Oregonian, 6/6/17)

Missoula floods, inundation extent and primary flood features in the Portland Metropolitan Area, Clark, Cowlitz, and Skamania counties, Washington, and Clackamas, Columbia, Marion, Multnomah, Washington, and Yamhill counties, Oregon [PDF] (2012) Oregon Department of Geology and Mineral Industries

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