(Lawson King, 43', 1973, 20-15-C - Gone) across Muddy Branch S. of Gaithersburg, District 9 Township, Montgomery County, MD. MD355 (Frederick Av.) SE 1.0 miles from jct with MD117 (Diamond Av.) in Gaithersburg, NE (left) on Central Av. 0.1 miles to the bridge on the N. side of the road up a driveway 150’. (N39 07.909 W77 11.170) Photo by Harry Hill 6-12-08.