(See related pages)
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| Evolution of the Conservation Movement, 1850-1920 | ||
| Pamphlets and government documents covering the conservation movement, with particular emphasis on the Theodore Roosevelt Administration. ( http://memory.loc.gov/ammem/amrvhtml/conshome.html ) | ||
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| Mapping the National Parks | ||
| Many maps, plus geological and cultural history of the areas that became national parks. ( http://memory.loc.gov/ammem/gmdhtml/nphtml/nphome.html ) | ||
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