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81
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82
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83
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84by Wang, Yei-Zeng, 1956-“...Special publication[s] / National Museum of Natural Science,...”
Published 1992
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85
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86
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87by Thomson, Keith StewartTable of Contents: “... natural science -- An American geology -- Bad lands: no time for ideas -- Dr. Leidy's dinosaur...”
Published 2008
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88
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89
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90
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91
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92