Question: Which canal was the first venture of the Delaware and Hudson Canal Company, the Delaware and Hudson Canal or the Delaware and Raritan Canal?

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Schenectady and Duanesburgh Railroad: The Schenectady and Duanesburgh Railroad, incorporated in July 1873, was a predecessor of the Delaware and Hudson Railway that owned the 14.2 mi line between the Saratoga and Schenectady Railroad at Schenectady and the Albany and Susquehanna Railroad at Delanson.  It was incorporated on December 27, 1869, as the Schenectady and Susquehanna Railroad, and opened in about August 1872, always leased to the Delaware and Hudson Canal Company.  The property was sold under foreclosure on July 10, 1873, and conveyed to the Schenectady and Duanesburgh Railroad on July 12.  The company was merged into the Delaware and Hudson Company on August 4, 1903.

Bristol, Pennsylvania: Bristol is a borough in Bucks County, Pennsylvania, 23 mi northeast of Center City Philadelphia, opposite Burlington, New Jersey on the Delaware River.  Bristol was first incorporated in 1720 but historically, after 1834 became very important to the development of the American Industrial Revolution as the terminus city of the Delaware Canal providing greater Philadelphia with the days High Tech Anthracite fuels from the Lehigh Canal via Easton.  The canal and a short trip on the Delaware also gave the town access to the mineral resources available in Connecticut, New Jersey and New York via each of the Morris Canal, the Delaware and Hudson Canal, and the Delaware and Raritan Canal, and connected the community to those markets and trade from New York City.  All these factors spurred development of Bristol and nearby towns, explaining in part the industries which developed in the region.

Delaware and Hudson Canal: The Delaware and Hudson Canal was the first venture of the Delaware and Hudson Canal Company, which would later build the Delaware and Hudson Railway.  Between 1828 and 1899, the canal's barges carried anthracite coal from the mines of Northeastern Pennsylvania to the Hudson River and thence to market in New York City.

Delaware and Hudson Gravity Railroad: A predecessor to the Class I Delaware and Hudson Railway, the 1820s-built Delaware and Hudson Canal Company Gravity Railroad "('D&H Gravity Railroad')" was a historic gravity railroad incorporated and chartered in 1826 with land grant rights in the U.S. state of Pennsylvania as a humble subsidiary of the Delaware and Hudson Canal and it proved to contain the first trackage of the "later organized Delaware and Hudson Railroad" (so eventually became a first class Class I Railroad).  It began as the second long U.S. gravity railroad built initially to haul coal to canal boats, was the second railway chartered in the United States after the Mohawk and Hudson Rail Road before even, the Baltimore and Ohio (e. 1827).  As a long gravity railway, only the Summit Hill and Mauch Chunk Railroad (e. 1827) pre-dated its beginning of operations.

Charles Stewart Wurts: Charles Stewart Wurts (1790-1859) was a founder of the Delaware and Hudson Canal Company, which built the Delaware and Hudson Canal and later became the Delaware and Hudson Railway.  Along with his brothers, he helped launch the anthracite industry in America.

Delaware and Hudson Canal Museum: The Delaware and Hudson Canal Museum is a museum in High Falls, New York, United States specializing in the history and culture of the Delaware and Hudson Canal.  It is located in a Gothic Revival chapel built in 1885 which was purchased by the Delaware & Hudson Canal Historical Society in 1975.  The building is a contributing property to the High Falls Historic District, listed on the National Register of Historic Places.

Pennsylvania Canal (Delaware Division): The Delaware Division of the Pennsylvania Canal, more commonly called the Delaware Canal, runs for 60 mi parallel to the right bank of the Delaware River from the entry locks near the mouth of the Lehigh River and terminal end of the Lehigh Canal at Easton south to Bristol.  At Easton, which today is the home of The National Canal Museum, the Delaware Canal also connected with the Morris Canal built to carry anthracite coal to energy starved New Jersey industries.  Later, with a crossing-lock constructed at New Hope, the New Hope 'outlet lock' (1847) connected by Cable Ferry to a feeder navigation/canal at Bull's Island along the opposite shore from Lumberville, which ran over 22 mi south along the left bank through Trenton to Bordentown, the west end of the Delaware and Raritan Canal (1834) to New York City via New Brunswick.  as part of the solution to the United States' first energy crisis.  The Commonwealth of Pennsylvania built the Delaware canal to feed anthracite stone coal to energy-hungry Philadelphia as part of its transportation infrastructure building plan known as the Main Line of Public Works—a legislative initiative creating a collection of self-reinforcing internal improvements to commercial transportation capabilities.

Landing Lane Bridge: Landing Lane Bridge is part of County Route 609 and spans the Raritan River and the Delaware and Raritan Canal in New Jersey.  The two lane bridge connects Piscataway to the north with New Brunswick and Franklin Township to the south.  The approaching roadways on both sides are known as "Landing Lane."  The Delaware and Raritan Canal State Park and towpath is accessible from the bridge.

Six Mile Run Reservoir Site: The Six Mile Run Reservoir Site, part of the Delaware and Raritan Canal State Park, is located in Franklin Township, Somerset County, New Jersey, United States.  It is adjacent to the Delaware and Raritan Canal.  It covers 3037 acre .  The reservoir plan was to flood the Six Mile Run watershed.  The Six Mile Run is a tributary of the Millstone River that, with its tributaries (Cross Brook, Middlebush Brook, Nine Mile Run and Steep Hill Brook and several other unnamed ones), drains a large area in central Franklin Township, Somerset County, New Jersey and western portions of North Brunswick and South Brunswick Townships in Middlesex County, New Jersey.  It derives its name, along with other streams (Mile Run, Three Mile Run, Nine Mile Run, and Ten Mile Run), from the distance early surveyors estimated it was from the point where the historic King's Highway (now Rt. 27) left the Raritan River at New Brunswick to the point the roadway crossed the stream.  The estimates were not very accurate but the stream names have remained in use ever since.

Delaware and Raritan Canal: The Delaware and Raritan Canal (D&R Canal) is a canal in central New Jersey, United States, built in the 1830s, that served to connect the Delaware River to the Raritan River.  It was intended as an efficient and reliable means of transportation of freight between Philadelphia and New York City, especially coal from the anthracite fields in eastern Pennsylvania.  Before the advent of the railroads, the canal allowed shippers to cut many miles off the route from the Pennsylvania coal fields, down the Delaware, around Cape May, and up along the (occasionally treacherous) Atlantic Ocean coast to New York City.

Supporting paragraphs: Delaware and Hudson Canal Delaware and Raritan Canal
Answer: The Delaware and Hudson Canal