Author

Eugene W. (Eugene Woldemar) Hilgard

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Cover of Soils, their formation, properties, composition, and relations to climate and plant growth in the humid and arid regions by Eugene W. (Eugene Woldemar) Hilgard

Soils, their formation, properties, composition, and relations to climate and plant growth in the humid and arid regions

About Eugene W. (Eugene Woldemar) Hilgard

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