Johnstown, Maryland

Johnstown is an unincorporated community in Calvert County, Maryland, United States.^[1] Preston-on-the-Patuxent was listed on the National Register of Historic Places in 1974.^[2]

References

↑ "Geographic Names Information System". Johnstown (Populated Place). U.S. Geological Survey. 2009-01-29.
↑ "National Register Information System". National Register of Historic Places. National Park Service. 2008-04-15.

Municipalities and communities of Calvert County, Maryland, United States

County seat: Prince Frederick

Towns	Chesapeake Beach North Beach

CDPs	Broomes Island Calvert Beach Chesapeake Ranch Estates Drum Point Dunkirk Huntingtown Long Beach Lusby Owings Prince Frederick St. Leonard Solomons

Other communities	Adelina Barstow Bowens Chaneyville Dares Beach Dowell Johnstown Lower Marlboro Mutual Parran Pleasant Valley Port Republic Scientists Cliffs Stoakley Sunderland Wallville Wilson

Ghost town	Wilson