Delaware Canal
Here is Lock No.21 in a series of 23 lift locks, numbered from Bristol to Easton. The aqueduct over Cooks Creek is one of nine which carried water and shipping across branches of the Delaware River.
USGS Historical Topographic Map CollectionUSGS Historical Topographic Map CollectionDavid Rumsey Map Collection, Stanford LibrariesDavid Rumsey Map Collection, Stanford LibrariesDavid Rumsey Map Collection, Stanford Libraries
Marker data: Pennsylvania Historical and Museum Commission via data.pa.gov
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