Books in Category: Environmental Issues (sorted by popularity)
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Landesverein Sächsischer Heimatschutz — Mitteilungen Band XIV, Heft 3-4 : Monatsschrift für Heimatschutz, Volkskunde und Denkmalpflege (German) 227 downloads
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War Gardens: A Pocket Guide for Home Vegetable Growers Montague Free 226 downloads
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Report on the Migration of Birds in the Spring and Autumn of 1885. Seventh Report J. A. Harvie-Brown, John Cordeaux, Richard Manliffe Barrington, Alexander Goodman More, and William Eagle Clarke 226 downloads
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Report on the Migration of Birds in the Spring and Autumn of 1881. Third Report J. A. Harvie-Brown, John Cordeaux, P. M. C. Kermode, Richard Manliffe Barrington, and Alexander Goodman More 226 downloads
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The Dawn of Canadian History : A Chronicle of Aboriginal Canada Stephen Leacock 225 downloads
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Tirol (German) Max Haushofer 225 downloads
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Deserts: Geology and Resources A. S. Walker 225 downloads
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Conservation Through Engineering Franklin K. Lane 225 downloads
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Rocky Mountain National Park, Colorado Edwin C. Alberts 224 downloads
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Zion National Park, Utah (1951) United States. National Park Service 224 downloads
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Notes on the Mammals of Gogebic and Ontonagon Counties, Michigan, 1920 Lee R. Dice and Harley Bakwel Sherman 224 downloads
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The Municipal and Sanitary Engineer's Handbook H. Percy Boulnois 224 downloads
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Conservation Archaeology of the Richland/Chambers Dam and Reservoir L. Mark Raab and Randall W. Moir 224 downloads
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Cape Cod : its natural and cultural history : a guide to Cape Cod National Seashore, Massachusetts United States. National Park Service. Division of Publications and Robert Finch 223 downloads
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Buxton and its Medicinal Waters Robert Ottiwell Gifford-Bennet 223 downloads
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Mesa Verde [Colorado] National Park Anonymous 222 downloads
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The Flea Harold Russell 222 downloads
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Junior Park Ranger Program: Montezuma Castle and Tuzigoot National Monuments United States. National Park Service 221 downloads
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Forest Trees and Forest Scenery G. Frederick Schwarz 221 downloads
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Waterfowl Identification Guide Central Flyway Council 221 downloads
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The Natural History of Selborne, Vol. 2 Gilbert White 220 downloads
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The Natural History of Wiltshire John Aubrey 220 downloads
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Aspects of nature, in different lands and different climates (Vol. 1 of 2) Alexander von Humboldt 220 downloads
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El Campesino Puertorriqueño (Spanish) Francisco del Valle Atiles 219 downloads
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The Geologic Story of Colorado National Monument Stanley William Lohman 219 downloads