National Park Era 1929-1950

1929 Congress creates Grand Teton National Park.
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1930 Lee Manges’ cabin is moved to Jenny Lake to function as the park’s first ranger station.
1931 Map of Grand Teton National Park.
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1931 Glen Exum makes a solo ascent of the Exum Ridge of the Grand Teton.
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1931 The new park issues permits for concession operations at Jenny Lake.
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1933-1942 Civilian Conservation Corps worked on park improvement projects.
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1943 President Franklin D. Roosevelt creates Jackson Hole National Monument.
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1945 The Muries (Olaus and Mardy Murie, and Adolph and Louise Murie) purchase STS Ranch.
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1945 Cattle ranching declines as tourism becomes the economic mainstay of Jackson Hole.
1945 Map of Grand Teton National Park.
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1946 Commercial air service begins in Jackson Hole.
1948 Map of Grand Teton National Park.
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1950 Congress passes legislation enlarging Grand Teton National Park.
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Conservation
1923-1928
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Tourists and a Modern Park
1950-present
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