The national parks, America's best idea. Episode three, The empire of grandeur (1915-1919)
In the early 20th century America has a dozen national parks, but they are a haphazard patchwork of special places under the supervision of different federal agencies. The conservation movement, after failing to stop the Hetch Hetchy dam, pushes the government to establish one unified agency to over...
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Corporate Authors: | , , , , |
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Other Authors: | , , , |
Format: | Video |
Language: | English Spanish |
Published: |
[Arlington, Va.] :
PBS Home Video ; Distributed by PBS Distribution,
c2009.
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Edition: | Widescreen version. |
Subjects: |