Thornbrook is a populated place located in Howard County, Maryland. It appears on the Ellicott City USGS 7.5-minute topographic quadrangle. The elevation at this location is approximately 448.80 feet (136.79 m) above sea level.
Howard County · Maryland
Thornbrook is a populated place located in Howard County, Maryland. It appears on the Ellicott City USGS 7.5-minute topographic quadrangle. The elevation at this location is approximately 448.80 feet (136.79 m) above sea level.