|The Lock House in Havre de Grace, Maryland|
|The Pennsylvania Canal as seen in Columbia, PA|
|Items for transport would go across from Columbia in Lancaster|
County to Wrightsville in York County on this two-level bridge.
|Traffic can be seen on the Susquehanna and Tidewater|
Canal in this photo featuring a flat-bottom canal boat.
|Information on the front of The Lock House. Click on photo to enlarge.|