其他書名 | A Study of the Adaptability of Various Types of Irrigation Enterprise Organizations to Conditions Prevailing in Certain of the 17 Western States |
出版 | Soil Conservation Service, 1948 |
URL | http://books.google.com.hk/books?id=4v3UIOYRbnQC&hl=&source=gbs_api |
EBook | FULL_PUBLIC_DOMAIN |