989 resultados para Alluvial plains.


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Includes bibliographical references (p. 80-82).

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Includes bibliographical references (p. 72-74).

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Includes bibliographical references (p. 47-48).

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Contribution from the Bureau of Home Economics in cooperation with the Works Project Administration.

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Contribution from Soil Conservation Service.

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"Issued June 1942."

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Issued also as House document no. 289, 84th Cong., 2d sess.

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Cover title.

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Includes bibliographical references (p. 60-64).

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Issued July 1977.