The U.S. Army Corps of Engineers, Omaha District, in partnership with the Boulder County Parks and Open Space Department, will hold a groundbreaking ceremony to celebrate the start of construction of an ecosystem restoration project along an approximately one-mile stretch of Lower Boulder Creek. The ceremony will take place on Thursday, October 8, starting at 12:30 p.m. MDT at the project site, which is located between N 109th Street and Kenosha Road in Boulder County approximately 3.5 miles west of the Boulder County-Weld County line and 8 miles east of the city of Boulder.