Soil and water conservation news

Código CCN: 073171-4


ISSN (Online): 0199-9060
País: Não informado
Editor: U.S. Department of Agriculture, Soil Conservation Service
Imprenta: Washington: U.S. Department of Agriculture, Soil Conservation Service, 1980
Numbering area: Vol. 1, No. 1 (ABR. 1980)-
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