Johnstown, Maryland
Unincorporated community in Maryland, U.S.
From Wikipedia, the free encyclopedia
Johnstown is an unincorporated community in Calvert County, Maryland, United States.[1] The historic Preston-on-the-Patuxent house was listed on the National Register of Historic Places in 1974.[2]
CountryUnited States
Johnstown, Maryland | |
|---|---|
Preston-on-the-Patuxent house | |
| Coordinates: 38°19′44″N 76°27′49″W | |
| Country | United States |
| State | Maryland |
| County | Calvert |
| Time zone | UTC-5 (Eastern (EST)) |
| • Summer (DST) | UTC-4 (EDT) |