(us-maryland)
Type: waterway=dam
Coordinates: 39.10336312328407, -77.1182453588914
Area: 0.01404640234375 km²
OSM tags:
area: yes
ele: 82
gnis:feature_id: 594310
official_name: Upper Rock Creek Watershed Site Number 1 Dam
ref:US:NID: MD00050
waterway: dam