Volunteers cleanup Shawsheen River
Deanne Guardino (left), Merrimack River Watershed Council director of development, and Tom Schluckebier, base civil engineer, remove trash from the Shawsheen River as part of an Earth Day River Cleanup project on base, April 17. Numerous volunteers from the base community, as well as sixth graders from the Hanscom Middle School, removed more than 17 bags of trash and debris from the river and the surrounding area. (U.S. Air Force photo by Mark Herlihy)