There will be an Open Space Trail Maintenance Work Party at 9 am on July 21at the Great Swamp Property, also known as Mecke Woods on Joanne Drive in Marion (www.marionma.gov/sites/marionma/files/uploads/mecke_woods1.pdf ). Use bug spray, bring clippers and other hand tools labeled with your name, work gloves, and wear long pants. Water and snacks will be provided.