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Google圖書搜尋
Geography of the Pennyroyal
Carl Ortwin Sauer
Wilbur Greeley Burroughs
其他書名
A Study of the Influence of Geology and Physiography Upon Industry, Commerce and Life of the People
出版
Kentucky Geological survey
, 1927
URL
http://books.google.com.hk/books?id=eKcRAAAAIAAJ&hl=&source=gbs_api