Keywords: Lock 54 C and O Canal from NPS.jpg en Lock 54 NPS site says Construction of Lock 54 began in 1839 but due to the financial troubles of the Canal Co it was not completed until 1848 It is constructed of both grey limestone and tan sandstone much of it of inferior quality The lock was much repaired and patched over time and even timber was used on occasion The walls have shifted and tilted since the abandonment of the canal in the 1920s In 1974 the NPS filled the lock in with earth order to stabilize it National Park Service http //www hscl cr nps gov/insidenps/report asp STATE PARK CHOH STRUCTURE SORT RECORDNO 862 National Park Service Dept of Interior US Government Chesapeake Ohio Canal National Historical Park Locks water transport PD-USGov |