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Mima Mounds Natural Area Preserve
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Mima Mounds Natural Area Preserve is a state-protected Natural Area in southwest Washington state, United States. The preserve includes some of the Washington mima mounds, the origin of which still is not fully understood.[2] The site comprises 637 acres (258 ha) of Garry oak woodland, oak savanna, and prairie grasslands.[3][4] Several state and federal endangered species of butterfly depending on the unique prairie conditions can be found in the preserve, including Mardon skipper, zerene fritillary, Puget blue and Taylor's checkerspot.[5]
Quick Facts Location, Nearest town ...
Mima Mounds Natural Area Preserve | |
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![]() Sign at entrance | |
Location | Southwest Washington, Washington, United States |
Nearest town | Thurston County |
Coordinates | 46.89°N 123.05°W / 46.89; -123.05 |
Area | 637 acres (258 ha) |
Established | 1976[1] |
Governing body | Washington Department of Natural Resources |
Website | dnr.wa.gov |
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In 1966, the mima mounds were designated a National Natural Landmark.[6]