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-89%
Mostly Sand and Gravel: Artifact Adventures on the High Plains
0Mostly Sand and Gravel: Artifact Adventures on the High Plains, Fran Marscher, 9780595215737
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-93%
Natural Resources: Issues & Outlook
0Natural Resources: Issues & Outlook, T. Nejat Veziroglu, 9781560729020
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-82%
Oceans of the Future
0Oceans of the Future, , 9781435887497
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-78%
Of Bears, Wolves and Men: In Homage to the Wild: The North Fork of the Flathead, Montana
0Of Bears, Wolves and Men: In Homage to the Wild: The North Fork of the Flathead, Montana, Robin Wilt, 9780595162109
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-92%
Oyster Culture: Fishing News Books Series
0Oyster Culture: Fishing News Books Series, A. Hilbeck, 9780852382790
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-86%
Pumping: Fundamentals for the Water and Wastewater Maintenance Operator (Fundamentals for the Water and Wastewater Main Operator Series)
0Pumping: Fundamentals for the Water and Wastewater Maintenance Operator (Fundamentals for the Water and Wastewater Main Operator Series), Woodstock Farm Sanctuary, 9781587160141
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-78%
Rise & Decline of Public Interest in Global Warming: Toward a Pragmatic Conception of Environmental Problems
0Rise & Decline of Public Interest in Global Warming: Toward a Pragmatic Conception of Environmental Problems, T. Nejat Veziroglu, 9781560729112
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-54%
Rocky Shore Name Trail Chart
0Rocky Shore Name Trail Chart, Cary Krosinsky, 9781851538713
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-91%
Science and Technical Writing: A Manual of Style, Second Edition
0Science and Technical Writing: A Manual of Style, Second Edition, Prof. Ian Douglas, 9780415925501
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-84%
The Art of Seeing Things: Essays by John Burroughs
0The Art of Seeing Things: Essays by John Burroughs, S. E. Wilmer, 9780815606789
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-75%
The Chesapeake: An Environmental Biography
0The Chesapeake: An Environmental Biography, Lawrence M. Anovitz, 9780938420750
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-67%
The Environment and Emerging Development Issues: Volume 2 (WIDER Studies in Development Economics) (Environment and Emerging Development Issues The)
0The Environment and Emerging Development Issues: Volume 2 (WIDER Studies in Development Economics) (Environment and Emerging Development Issues The), Fraser Armstrong, 9780199240708