A NOTE ON THE UNITED-STATES NATIONAL INVENTORY OF SOIL AND WATER CONSERVATION NEEDS

被引：0

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作者：

BIRCH, JW

机构：

来源：

GEOGRAPHICAL JOURNAL | 1964年 / 130卷 / 04期

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D O I：

10.2307/1792266

中图分类号：

P9 [自然地理学]; K9 [地理];

学科分类号：

0705 ; 070501 ;

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页码：531 / 534

页数：4

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