National Geographic : 1948 Aug
© National Geographic Society XIV iocacnrome oy waiter icVeayers .eawaras Paddlers Steer Clear of a Maryland Lorelei Perching on a Rock Like the Siren ofthe Rhine Ahead of them, Monocacy Aqueduct stands sturdy despite the weight of its 115 years. Until two decades ago it carried the Cand 0Canal 20feet above the stream. Now its dry bed bears trees and weeds. Here the Monocacy, a main tributary, is about tojoin the Potomac.