Abstract -- Cottage Grove Reservoir is located at RM 29.5 on the Coast Fork Willamette River about 25 miles south of Eugene and six miles south of Cottage Grove in Lane County, Oregon (Figure 1). It is one of...

Abstract -- Dorena Reservoir is located at RM 7.5 on Row River (Coast Fork Willamette drainage) about 22 miles south of Eugene and 5 miles south of Cottage Grove in Lane County, Oregon. It is one of 13 Corps of...