. "45585485"^^ . . . . . "David Williamson Flickwir (1852-1935) was a civil engineer and railroad engineering contractor. His company built one of the world's largest concrete bridges, the Tunkhannock Viaduct."@en . . . . . . "1114797648"^^ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . "David W. Flickwir"@en . . . . . "7307"^^ . . . . . . . . . . "David Williamson Flickwir (1852-1935) was a civil engineer and railroad engineering contractor. His company built one of the world's largest concrete bridges, the Tunkhannock Viaduct."@en . . . . . .