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Sunday, February 14, 2010

Mima Mounds

An aerial view of unusually regular mounds of earth and vegetation commonly refered to as "mima mounds". Their formative mechanisms continue to be a mystery. Photographed from the air in spring at The Nature Conservancy's Zumwalt Prairie Preserve in NE Oregon.

Mima Mounds on Zumwalt Prairie

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Details About Me

Portland, Oregon, United States
Husband, Father, Student Of Natural History, Photographer