SW of Frederick on Butterfly Lane, Frederick, Maryland. County/parish: Frederick.
Added to the National Register of Historic Places September 08, 1980. NRIS 80001810.
1 contributing building.Also known as:
Prospect Hall is a historic mansion, built beginning around 1787 on what was known at the time as "Red Hill", the highest elevation in the area of Frederick, Maryland.
(read more...)National Park Service documentation: https://catalog.archives.gov/id/106777397