| 其他書名 | A Study of the Influence of Geology and Physiography Upon the Industry, Commerce and Life of the People. By Carl Ortwin Sauer, Assisted by John B.Leighly, Kenneth McMurry, [and] Clarence W.Newman |
| 出版 | Kentucky Geological Survey State Journal Company, 1927 |
| URL | http://books.google.com.hk/books?id=B7Gx0AEACAAJ&hl=&source=gbs_api |