Books in Category: Science - Earth/Agricultural/Farming (sorted alphabetically by author)
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Modern Geography
Marion I. Newbigin
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James Geikie, the Man and the Geologist
Marion I. Newbigin and Sir J. S. Flett
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Earthwork Slips and Subsidences upon Public Works
John Newman
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The Ancient Life History of the Earth
Henry Alleyne Nicholson
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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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The Republic of Costa Rica
Gustavo Niederlein
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Pig Raising: A Manual for Pig Clubs
Aretas Wilbur Nolan and James Henry Greene
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The History of Esculent Fish
Roger North
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The Elements of Geology
William Harmon Norton
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The Elements of Geology
William Harmon Norton
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Outlines of Creation
Elisha Noyce
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Wood and Forest
William Noyes
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Breves palavras sobre a cultura da Oliveira (Portuguese)
Avelino Nunes d'Almeida
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The Ohio naturalist, Vol. 1, No. 4, February 1901
Ohio State University. Biological Club
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The Ohio Naturalist, Vol. I, No. 7, May, 1901
Ohio State University. Biological Club
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The Ohio naturalist, Vol. 1, No. 8, June 1901
Ohio State University. Biological Club
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ABC's of Science
Charles A. Oliver
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Letters on Astronomy
Denison Olmsted
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Underground Treasures: How and Where to Find Them
James Orton
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The Andes and the Amazon; Or, Across the Continent of South America
James Orton
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Atoms in Agriculture: Applications of Nuclear Science to Agriculture (Revised)
Thomas S. Osborne
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Cave Regions of the Ozarks and Black Hills
Luella Agnes Owen
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Geology and Inhabitants of the Ancient World
Richard Owen
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The zoology of the voyage of H.M.S. Beagle [vol. 1 of 5] : Fossil mammalia
Richard Owen
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A Text-book of Entomology
A. S. Packard