Skagit River Cottonwoods ER #89

ORIGINAL PURPOSE To maintain stands of alluvial black cottonwoods for purposes of hybridization and stock improvement. Physical: The reserve river with a gradient of about six m/km. The northeast-southwest trending valley, located in the Hozameen Ranges of the Cascade Mountains, is bounded by slopes of about 30o which rise to peaks of 2100-2500 m. The