| 其他書名 | Pacific Northwest Region, Mt. Hood, Rogue River and Willamette National Forests : Calendar Year 1974 and First Half Calendar Year 1975 : Herbicide Use |
| 出版 | Pacific Northwest Region, U.S. Department of Agriculture, Forest Service, 1974 |
| URL | http://books.google.com.hk/books?id=ccE8GwAACAAJ&hl=&source=gbs_api |