Mile Marker 40
Mile Marker: 40
Nearby Amenities:
- Marble Quarry Campsite
Approximately 1.9 miles away. 
Marble Quarry Campsite Hand Pump
Approximately 1.9 miles away.
Monocacy Aqueduct Restroom
Approximately 1.9 miles away.- Marble Quarry Restroom
Approximately 1.9 miles away. 
Monocacy Aqueduct Parking
Approximately 1.9 miles away.
