Powder House

1/2 mi. SE of Pony on Potosi Rd., Pony, Montana. County/parish: Madison.

Added to the National Register of Historic Places August 03, 1987. NRIS 87001266.

Part of Pony MRA (NRIS 64000438).

1 contributing building.

National Park Service documentation: https://catalog.archives.gov/id/71975157