- D-R Canal - Amwell Rd ( 40.50340, -74.58268 )
- D-R Canal - Blackwells Mills ( 40.47550, -74.57220 )
- D-R Canal - Griggstown (N) ( 40.43834, -74.61397 )
- D-R Canal - Griggstown (S) ( 40.42912, -74.61816 )
- D-R Canal - Kingston (N) ( 40.37489, -74.61854 )
- D-R Canal - Kingston (S) ( 40.37326, -74.61861 )
- D-R Canal - Lawrence (N) ( 40.27450, -74.70332 )
- D-R Canal - Lawrence (S) ( 40.26746, -74.71071 )
- D-R Canal - Lawrenceville ( 40.30501, -74.68490 )
- D-R Canal - Manville ( 40.52861, -74.58178 )
- D-R Canal - New Brunswick ( 40.50806, -74.46376 )
- D-R Canal - North Trenton ( 40.24901, -74.72865 )
- D-R Canal - Plainsboro (E) ( 40.34321, -74.62964 )
- D-R Canal - Plainsboro (W) ( 40.34190, -74.63758 )
- D-R Canal - Princeton (N) ( 40.33879, -74.64715 )
- D-R Canal - Princeton (S) ( 40.33177, -74.65282 )
- D-R Canal - Province Line Rd ( 40.30273, -74.68819 )
- D-R Canal - Rocky Hill ( 40.39826, -74.62702 )
- D-R Canal - Somerset (N) ( 40.54077, -74.51404 )
- D-R Canal - Somerset (S) ( 40.52390, -74.49248 )
- D-R Canal - South Bound Brook ( 40.55880, -74.53118 )
- D-R Canal - Trenton (N) ( 40.23886, -74.74194 )
- D-R Canal - Trenton (S) ( 40.18384, -74.74666 )
- D-R Canal - West Windsor ( 40.30844, -74.67979 )
- D-R Feeder Canal - Bull Island ( 40.41036, -75.03421 )
- D-R Feeder Canal - Lambertville (S) ( 40.34206, -74.94044 )
- D-R Feeder Canal - Rt 202 ( 40.37987, -74.95175 )
- D-R Feeder Canal - Scudders Falls ( 40.26529, -74.84790 )
- D-R Feeder Canal - Washington Crossing ( 40.29842, -74.86852 )
- D-R Feeder Canal - West Trenton ( 40.24497, -74.81917 )
- Lake Carnegie - Plainsboro ( 40.34362, -74.62973 )
- Millstone River - Amwell Rd ( 40.50294, -74.58755 )
- Millstone River - Blackwells Mills ( 40.47487, -74.57503 )
- Millstone River - Griggstown ( 40.43893, -74.61757 )
- Millstone River - Kingston ( 40.37419, -74.61962 )
- Millstone River - Manville ( 40.53124, -74.58753 )
- Millstone River - Plainsboro (N) ( 40.34262, -74.62981 )
- Millstone River - Rocky Hill (N) ( 40.39957, -74.62809 )
- Millstone River - Rocky Hill (S) ( 40.39969, -74.62867 )
- Stony Brook - Princeton ( 40.33219, -74.65340 )
The blue line on the map is the Delaware & Raritan, or D&R, Canal. The canal is a basically 40-mile-long pond. The water flows very slowly from west to east; it is essentially still. Access points generally coincide with bridges or locks.
The thin red line is the "fall line" - the nominal division between uplands and lowlands. It appears the builders of the canal wanted to stay above the fall line for the entire length, and followed the Millstone and Raritan Rivers. The series of dams resulting in a chain of lakes along the Lawrence Brook reveals a shorter alternate route the canal might have taken. These dams were not built until over 100 years later. Perhaps surveying in the 1830s was not good enough to discover this, or perhaps it would not work, but it certainly looks like it should.
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