Books in Category: Environmental Issues
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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
409 downloads
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Sewage and sewerage of farm homes [1922]
George M. Warren
409 downloads
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Yosemite National Park, California
United States. National Park Service
408 downloads
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A Full Description of the Great Tornado in Chester County, Pa.
Richard Darlington
407 downloads
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Humpback Whales in Glacier Bay National Monument, Alaska
United States. Marine Mammal Commission
407 downloads
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Den Hunting as a Means of Coyote Control
Harold Warren Dobyns and Stanley Paul Young
407 downloads
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Ecology of the Opossum on a Natural Area in Northeastern Kansas
Henry S. Fitch and Lewis L. Sandidge
406 downloads
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Food in War Time
Graham Lusk
405 downloads
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The Mammals of Washtenaw County, Michigan
Norman Asa Wood
405 downloads
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The Salton Sea: An account of Harriman's fight with the Colorado River
George Kennan
404 downloads
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El Morro Trails: El Morro National Monument, New Mexico
Southwest Parks and Monuments Association
404 downloads
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Glaciers of the Rockies and Selkirks, 2nd. ed.
A. P. Coleman
402 downloads
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The Geologic Story of Colorado National Monument
Stanley William Lohman
402 downloads
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Island Trail at Walnut Canyon
Southwestern Monuments Association
402 downloads
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Why I Am a Vegetarian
J. Howard Moore
400 downloads
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Tirol (German)
Max Haushofer
400 downloads
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The Great Round World and What Is Going On In It, Vol. 1, No. 49, October 14, 1897
Various
399 downloads
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Wind and Weather
Alexander McAdie
398 downloads
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Seventeen Species of Bats Recorded from Barro Colorado Island, Panama Canal Zone
E. Raymond Hall and William B. Jackson
398 downloads
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Supplement to Animal Sanctuaries in Labrador
William Wood
398 downloads
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Fishes of the Wakarusa River in Kansas
James E. Deacon and Artie L. Metcalf
397 downloads
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Conservation Archaeology of the Richland/Chambers Dam and Reservoir
L. Mark Raab and Randall W. Moir
396 downloads
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Burton Island State Park: Guide to the Interpretive Nature Trail and Hiking Trail
Stephen Antil
395 downloads
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The Common Nature of Epidemics, and their relation to climate and civilization
Southwood Smith
395 downloads
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The northern whale-fishery
William Scoresby
394 downloads