Concord, Sudbury, & Assabet Rivers: A Guide to Canoeing, Wildlife, & History |
$5.95 |
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1990 |
Deserts: Geology and Resources |
$5.95 |
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1992 |
Alpine Wildflowers of the Rocky Mountains |
$5.95 |
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1989; 1992 Third Printing |
European Alpine Flowers in Colour |
$6.95 |
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1967 |
Guide to Glacier National Park |
$6.95 |
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1963 Revised Edition |
Backpacking Guide to the Weminuche Wilderness in the San Juan Mountains of Colorado, 1993 Twelfth Edition |
$6.95 |
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1993 Twelfth Edition |
Costa Rica Amphibians Wildlife Guide |
$6.95 |
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2012 |
Alaska Trees and Shrubs |
$6.95 |
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1986 |
Marine Aquaria and Miniature Reefs |
$6.95 |
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1992 |
Sounds of Nature Wetlands |
$6.95 |
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1997 |
Neotropical Companion: An Introduction to the Animals, Plants, and Ecosystems of the New World Tropics |
$6.95 |
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1989 |
Spell of the Rockies |
$7.95 |
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1989 |
Diatoms of the Streams of East Connecticut |
$7.95 |
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1973 |
Arctic Adaptations in Plants |
$8.95 |
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1972; 1978 Reprint |
Ecology of Arctic Environments: 13th Special Symposium of the British Ecological Society (Symposia of the British Ecological Society) |
$8.95 |
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1997 |