Most canals filled during efforts to remove coal silt (11 Feb 1947 Jahr – 13 Dez 1979 Jahr)
Beschreibung:
Excursion vessels and pleasure boating remained active on the Schuylkill Navigation until most of the canals were filled by the Commonwealth of Pennsylvania during 1947–1979 in efforts to remove coal silt from the Schuylkill River.Zugefügt zum Band der Zeit:
Datum:
11 Feb 1947 Jahr
13 Dez 1979 Jahr
~ 32 years
