Callie Montgomery searches for trash along the shore at Coolidge Park during the 25th annual River Rescue. Now in its 26th year, the communitywide cleanup of the Tennessee River and its tributaries is still enlisting volunteers to scour the waterways for dumped tires and other litter between 9 a.m. and 1 p.m. Saturday, in any of 22 zones. Zone coordinators will provide gloves and trash bags, as well as a souvenir T-shirt, while supplies last. Boats, especially flat-bottom or jon boats, are needed for some areas, including Suck Creek boat ramp, Coolidge Park, Shellmound, Harrison Bay State Park and Booker T. Washington State Park. Registration is appreciated but not required. To find out meeting places, visit tennesseeriverrescue.org or call 423-413-0700, 423-718-7057 or 423-785-4177.