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The North Cascades area is transferred to the Department of Agriculture as a part of the National Forest System.
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Local conservation groups called for establishing the North Cascades as a National Park but were eventually defeated.
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Again, local conservation groups called for establishing the North Cascades as a National Park, and again failed.
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They released a report that would act as a draft for the soon to be park bill.
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The final report was published for the National Park.
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Senators introduced Senate Bill 1321, which established 570,000 acres of land as the North Cascades National Park.
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There was a public hearing in Washington D.C. for both sides of the debate on the North Cascades becoming a National Park.
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President Lynden Johnson signed the park into law.
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93% of the land within the park would soon become the Stephen Mather Wilderness Area.
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The North Cascades National Park consists of 684,237 acres, which includes many different areas, like rivers, mountains and lakes.