| Type |  Book |
| ชื่อเรื่อง | Monitoring for ozone injury in West Coast (Oregon, Washington, California) forests in 1998 / Sally Campbell ... [et al.] |
| พิมพลักษณ์ | Portland, Or. : U.S. Dept. of Agriculture, Forest Service,Pacific Northwest Research Station, [2000] |
| รูปเล่ม | 19 p. : ill., col. maps ; 28 cm |
| หัวเรื่อง | Forest health --California [] |
| | Forest health --Oregon [] |
| | Forest health --Washington (State) [] |
| | Plants --Effect of ozone on --California [] |
| | Plants --Effect of ozone on --Oregon [] |
| | Plants --Effect of ozone on --Washington (State) [] |
| | Vegetation monitoring --California [] |
| | Vegetation monitoring --Oregon [] |
| | Vegetation monitoring --Washington (State) [] |