| 其他書名 | Second-growth Douglas-fir--western Hemlock Type, Western Hemlock--Sitka Spruce Type, and Red Alder Type |
| 出版 | U.S. Department of Agriculture, Forest Service, Pacific Northwest Research Station, Siuslaw National Forest, 1989 |
| URL | http://books.google.com.hk/books?id=fX1GAQAAIAAJ&hl=&source=gbs_api |
| EBook | FULL_PUBLIC_DOMAIN |