Interesting to note: The sighting took place on Route 146 at the Baltimore Bridge at the Loch Raven Reservoir.
Map showing Route 146 at Loch Raven Reservoir, Maryland:
This location is approximately 3 and 1/2 miles southwest of the BA-03 Nike Site
BA-03/ Phoenix/Sweet Air
|BA-03||Nike 1B, 2C/18H, 30A/12L-UA, (8L-H)||Washington - Baltimore||Phoenix/ Sweet Air||Nov 1955 - Apr 1974||FDS||FDS|