The status of whitebark pine along the Pacific Crest National Scenic Trail on the Umpqua National Forest [[electronic resource] /] / Ellen Michaels Goheen ... [and others]
Pubbl/distr/stampa
Portland, Or. : , : U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Research Station, , [2002]
Collana
General technical report PNW ; ; GTR-530
Altri autori (Persone)
GoheenEllen Michaels
Soggetti
Whitebark pine - Diseases and pests - Oregon - Umpqua National Forest