CROP-COMBINATION REGIONS FOR 1919 AND 1929 IN THE MIDDLE WEST

被引:13
作者
Weaver, John C.
机构
关键词
D O I
10.2307/212160
中图分类号
P9 [自然地理学]; K9 [地理];
学科分类号
0705 ; 070501 ;
摘要
引用
收藏
页码:560 / 572
页数:13
相关论文
共 2 条
[1]   CROP-COMBINATION REGIONS IN THE MIDDLE WEST [J].
Weaver, John C. .
GEOGRAPHICAL REVIEW, 1954, 44 (02) :175-200
[2]   CHANGING PATTERNS OF CROPLAND USE IN THE MIDDLE WEST [J].
Weaver, John C. .
ECONOMIC GEOGRAPHY, 1954, 30 (01) :1-47