SOME NEW MAPS OF THE UNDERGROUND BITUMINOUS COAL MINING-INDUSTRY OF PENNSYLVANIA

被引：1

|

作者：

DEASY, GF

GRIESS, PR

机构：

来源：

ANNALS OF THE ASSOCIATION OF AMERICAN GEOGRAPHERS | 1957年 / 47卷 / 04期

关键词：

D O I：

10.1111/j.1467-8306.1957.tb01547.x

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：336 / 349

页数：14

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