| 其他書名 | Evaluation of the Textural Composition of Sultan River Salmonid Spawning Gravels Following Hydroelectric Project Construction |
| 出版 | Public Utility District No. 1 of Snohomish County Washington, 1984 |
| URL | http://books.google.com.hk/books?id=3wWHzwEACAAJ&hl=&source=gbs_api |