. . . . . . "145.2" . . "June 1863" . . "Nepean River railway bridge" . . . . . "1862" . . . "Nepean River railway bridge, Menangle" . "Main Southern railway line" . . "Menangle rail viaduct" . . . "24.2" . "Menangle railway viaduct" . . "1863" . "Nepean River railway bridge, Menangle" . . . "7.8" . . . . . . . . . "1863-07-01" .