Books in Category: Science - Earth/Agricultural/Farming (sorted alphabetically)
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Report on the lands of the arid region of the United States, with a more detailed account of the lands of Utah John Wesley Powell, Grove Karl Gilbert, Clarence E. Dutton, A. H. Thompson, and Willis Drummond
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Report on the Radiolaria Collected by H.M.S. Challenger During the Years 1873-1876, First Part: Porulosa (Spumellaria and Acantharia) Ernst Haeckel
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Report upon the Mollusk Fisheries of Massachusetts Massachusetts. Commissioners on Fisheries and Game and David Lawrence Belding
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Republic of Costa Rica Gustavo Niederlein
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Review of the Resources and Industries of the State of Washington, 1909 Ithamar M. Howell
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Revised and Illustrated Treatise On Grain Stacking John N. De Lamater
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Riesen und Drachen der Vorzeit. Geschichte der Erde, Dritter Teil (German) R. Bommeli
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Right Use of Lime in Soil Improvement Alva Agee
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River and Canal Engineering, the characteristics of open flowing streams, and the principles and methods to be followed in dealing with them. E. S. Bellasis
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Road Guide to Lassen Volcanic National Park Paul E. Schulz
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Rocks and Their Origins Grenville A. J. Cole
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Rodent Control Aided by Emergency Conservation Work Stanley Paul Young
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Rollo's Philosophy. [Air] Jacob Abbott
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Romance of Modern Geology Edwin Sharpe Grew
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Romance of Rubber United States Rubber Company
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Romance of the Microscope C. A. Ealand
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Romance of the Reaper Herbert Newton Casson
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Roman Farm Management: The Treatises of Cato and Varro Marcus Terentius Varro and Marcus Porcius Cato
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Round the year with the stars Garrett Putman Serviss
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Rural Life Problem of the United States Sir Horace Curzon Plunkett
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Rural Magazine, and Literary Evening Fire-Side, Vol. 1 No. 01 (1820) Various
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Rural Magazine, and Literary Evening Fire-Side, Vol. 1 No. 08 (1820) Various
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Rural Wealth and Welfare: Economic Principles Illustrated and Applied in Farm Life Geo. T. Fairchild
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sacred theory of the Earth, Volume 1 (of 2) : Containing an account of the original of the Earth, and of all the general changes which it hath already undergone, or is to undergo, till the consummation of all things. Thomas Burnet
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Salmon Fishery of Penobscot Bay and River in 1895-96 Hugh M. Smith