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historicalmarkerproject/markers/HM1L0G_union-canal-tunnel_Lebanon-PA.html
Monument to first canal tunnel in America stands not far up this road. Built in 1823 under this ridge, the tunnel may be reached by a short walk down the hill on either side. The Union Canal was opened in 1827, and operated until 1884.
historicalmarkerproject/markers/HM1L0E_union-canal-tunnel_Lebanon-PA.html
Designated a National Historic Civil Engineering Landmark in 1970, this tunnel is the oldest existing transportation tunnel in the United States. At the time of its construction it was considered a work almost unknown in this country.
Dug through…
historicalmarkerproject/markers/HM1L0C_union-canal-company-of-pennsylvania_Lebanon-PA.html
Proposed by William Penn in 1690 to tap the agricultural wealth of the Commonwealth and give access to a second settlement on the Susquehanna River, the Canal was the first ever surveyed in the United States. This was done by David Rittenhouse and…
historicalmarkerproject/markers/HM81U_union-canal_Lebanon-PA.html
After entering the reservoir at the Big Dam in Swatara Gap, the water from Swatara Creek came down the branch canal to the Water Works, 3.7 miles southwest of here. At that point it was raised by water wheels and steam pumps and carried by a feede…