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Publisher:
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Washington : U.S. Goverenment Printing Office, 1994. |
Phys. Desc.:
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1 online resource (iv, 360 pages) : illustrations
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Digital Content
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Click for online content. |
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Publisher:
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Washington : U.S. Government Printing Office, 1997. |
Phys. Desc.:
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1 online resource (iv, 175 pages) : illustrations, map
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Digital Content
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Click for online content. |
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Publisher:
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Washington : U.S. Government Printing Office, 2005. |
Phys. Desc.:
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iv, 85 pages : digital, PDF file
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Digital Content
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Click for online content. |
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Publisher:
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[United States] : BBC Earth, [2009] |
ISBN:
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1419881779 |
Phys. Desc.:
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2 videodiscs (approximately 300 min.) : sound, color ; 4 3/4 in.
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