Nevertheless in 1958 the track between Thurmont and Fort Detrick was taken up .
Freight carried on , but the electric lines were removed on the Thurmont line in 1955 and diesel equipment was substituted .
In 1958 the track between Thurmont and Fort Detrick was taken up .
Freight carried on , but the electric lines were removed on the Thurmont line in 1955 and diesel equipment was substituted .