// todo need optimize like in event.jsp. Add indexing or not indexing this page. Most canals filled during efforts to remove coal silt (feb 11, 1947 – dec 13, 1979) (Timeline)

Most canals filled during efforts to remove coal silt (feb 11, 1947 – dec 13, 1979)

Description:

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.