Explore details about location Lock 19 Spur (0.3 mi). Lock 19 Spur (0.3 mi) is a location situated within the Potomac alongside other areas such as Lamp Post Court, Willow Green Court, Bel Air Place. Additionally, some smaller parts of Lock 19 Spur (0.3 mi) include specific areas like Hidden Spring Road, Gold Mine Loop (1.6 mi), Matildaville Trail adding to the diversity of its landscape.