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Sep 11, 2010

Cover of Soils, Their Formation, Properties, Composition, and Relations to Climate and Plant Growth in the Humid and Arid Regions

Soils, Their Formation, Properties, Composition, and Relations to Climate and Plant Growth in the Humid and Arid Regions

Jan 8, 2010

Cover of Biographical Memoir of Joseph Le Conte, 1823-1901. Read Before the National Academy of Sciences, April 18, 1907

Biographical Memoir of Joseph Le Conte, 1823-1901. Read Before the National Academy of Sciences, April 18, 1907