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Series: | Natural resources report ; 2007/020. |
Publisher:
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Fort Collins, Colorado : U.S. Department of the Interior, National Park Service, Natural Resources Program Center, 2007. |
Edition:
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Version 1.0, December 2007. |
Phys. Desc.:
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1 online resource (2 volumes) : color illustrations, color map.
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Digital Content
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Click for online content. |
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Series: | Natural resources report ; 2009/142. |
Publisher:
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Fort Collins, Colorado : U.S. Department of the Interior, National Park Service, Natural Resource Program Center, 2009. |
Edition:
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Version 1.0. |
Phys. Desc.:
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1 online resource (2 volumes) : color illustrations, color maps
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Digital Content
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Click for online content. |
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