Blackrock Mill is a populated place located in Montgomery County, Maryland. It appears on the Germantown USGS 7.5-minute topographic quadrangle. The elevation at this location is approximately 266.76 feet (81.31 m) above sea level.
Montgomery County · Maryland
Blackrock Mill is a populated place located in Montgomery County, Maryland. It appears on the Germantown USGS 7.5-minute topographic quadrangle. The elevation at this location is approximately 266.76 feet (81.31 m) above sea level.