Boulder Park National Natural Landmark, along with the nearby McNeil Canyon Haystack Rocks and Sims Corner Eskers and Kames natural landmarks, illustrate well-preserved examples of Pleistocene ice stagnation landforms. These landforms include numerous glacial erratics and haystack rocks occurring near and on the Withrow Moraine, the terminal moraine of the Okanogan ice lobe.
Boulder Park
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By kkeps @ 2017-09-20 20:41:44