During the middle to late Miocene epoch (approximately 8-12 million years ago), a series of volcanic eruptions poured Columbia River flood basalts across the Pacific Northwest, covering portions of southern Washington, western Idaho, and northern and eastern Oregon with extensive lava flows.
Friends of Malheur National Wildlife Refuge was formed in 1999 and is an independent non-profit 501(c)(3) corporation.
Tax ID #: 93-1261322
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