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Farm drainage
Henry F. French
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The Geologic Story of Palo Duro Canyon
William Henry Matthews
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Right Use of Lime in Soil Improvement
Alva Agee
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Northern Nut Growers Association Report of the Proceedings at the Thirty-Eighth Annual Meeting
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Kulturgeschichte der Nutzpflanzen, Band IV, 1. Hälfte (German)
Ludwig Reinhardt
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Principles of Geology
Sir Charles Lyell
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The Home of the Blizzard
Sir Douglas Mawson
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Rapport sur une mission botanique exécutée en 1884 dans la région saharienne, au nord des grands chotts et dans les îles de la côte orientale de la Tunisie (French)
Napoléon Doumet-Adanson
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Northern Nut Growers Association Thirty-Fourth Annual Report 1943
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The puzzle of life and how it has been put together : A short history of the formation of the earth, with its vegetable and animal life, from the earliest times, including an account of prehistoric man, his weapons, tools, and works
Arthur Nicols
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Reise in die Aequinoctial-Gegenden des neuen Continents. Band 1. (German)
Alexander von Humboldt
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All Afloat: A Chronicle of Craft and Waterways
William Wood
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Acetaria: A Discourse of Sallets
John Evelyn
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Culinary Herbs: Their Cultivation Harvesting Curing and Uses
M. G. Kains
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Tobacco; Its History, Varieties, Culture, Manufacture and Commerce
E. R. Billings
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Ice-Caves of France and Switzerland
G. F. Browne
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Journal of Researches into the Natural History and Geology of the Countries Visited During the Voyage Round the World of H.M.S. Beagle Under the Command of Captain Fitz Roy, R.N.
Charles Darwin
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Field book of common rocks and minerals : for identifying the rocks and minerals of the United States and interpreting their origins and meanings
Frederic Brewster Loomis
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Earth and Sky Every Child Should Know
Julia Ellen Rogers
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The Natural History of Pliny, Volume 5 (of 6)
the Elder Pliny
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Wheat Growing in Australia
Australia. Department of External Affairs
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The Subterranean World
G. Hartwig
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The World Before the Deluge
Louis Figuier
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Kulturgeschichte der Nutzpflanzen, Band IV, 2. Hälfte (German)
Ludwig Reinhardt
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The Book of Husbandry
Anthony Fitzherbert
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