A family recreates at Cottage Grove Reservoir, southeast of Eugene, Ore., during sunset, July 10, 2014. The land-use plan (Master Plan or MP) for Cottage Grove and Dorena lakes is out-of-date, and the U.S. Army Corps of Engineers (Corps) is in the process of updating it. This master plan will guide the management Corps-managed lands and waters of Cottage Grove and Dorena Lakes for the next 20 years.