| Type |  Book |
| ชื่อเรื่อง | Alternative actions for restoring & maintaining salmonid populations on the Columbia River system |
| พิมพลักษณ์ | [Corvallis, Or.] : Oregon State University Extension Service : Washington State University Cooperative Extension : University of Idaho Cooperative Extension System : U.S. Dept. of Agriculture, [1992] |
| รูปเล่ม | 46 p. : maps |
| หัวเรื่อง | Pacific salmon --Columbia River Watershed --Conservation and restoration [] |
| | Salmonidae --Columbia River Watershed --Conservation and restoration [] |