On Saturday, April 30, Lansdowne volunteers will, once again, participate in the annual creek cleanup sponsored by the Darby Creek Valley Association. Gladstone area residents will remove man made materials and brush from Avery and Falls Runs in Marlyn Park, 9 – 11 a.m. Gather at entrance. For information contact Dave Eldredge (188 Marlyn Rd.), 610-284-1713.