Question: Which canal is longer, the Industrial Canal in Louisana or the James River and Kanawha Canal in Virginia?

full_context: Document 1: James River State Park: James River State Park is a state park located along the James River in Buckingham County, Virginia. Opened June 20, 1999, it preserves part of the route of the Kanawha Canal in addition to portions of the river.
Document 2: Schuylkill Canal: Schuylkill Canal is the common, but technically inaccurate, name for the Schuylkill Navigation, a 19th-century commercial waterway in and along the Schuylkill River in the U.S. state of Pennsylvania. The "canal" was actually a system of interconnected canals and slack-water pools in the river, which is called a navigation. Chartered in 1815, the Schuylkill Navigation opened in 1825 to provide transportation and water power. At the time, the river was the least expensive and most efficient method of transporting bulk cargo, and the eastern seaboard cities of the U.S. were experiencing an energy crisis due to over forestation. It fostered the mining of anthracite coal as the major source of industry between Pottsville and eastern markets. Along the tow-paths, mules pulled barges of coal from Port Carbon through the water gaps to Pottsville; locally to the port and markets of Philadelphia; and some then by ship or through additional New Jersey waterways, to New York City markets.
Document 3: Richmond and Alleghany Railroad: The Richmond and Alleghany Railroad was built along the James River along the route of the James River and Kanawha Canal from Richmond on the fall line at the head of navigation to a point west of Lynchburg near Buchanan, Virginia, and combined with the Buchanan and Clifton Forge Railway Company to reach Clifton Forge, Virginia.
Document 4: Seabrook Floodgate: The Inner Harbor Navigation Canal (IHNC) Seabrook Floodgate Structure is a flood barrier in the Industrial Canal in New Orleans, Louisiana. The floodgate is designed to protect the Industrial Canal and the surrounding areas from a storm surge from Lake Ponchartrain. It consists of two 50 ft wide vertical lift gates and a 95 ft wide sector gate.
Document 5: London Avenue Canal: The London Avenue Canal is a drainage canal in New Orleans, Louisiana, used for pumping rain water into Lake Pontchartrain. The Canal runs through the 7th Ward of New Orleans from the Gentilly area to the Lakefront. It is one of the three main drainage canals responsible for draining rainwater from the main basin of the city of New Orleans. The London Avenue Canal's flood walls built atop earthen levees breached on both sides during Hurricane Katrina in 2005.
Document 6: Orleans Canal: The Orleans Canal is a drainage canal in New Orleans, Louisiana. The canal, along with the 17th Street Canal and the London Avenue Canal, form the New Orleans Outfall Canals. The current version of the canal is about 2 km long, running along the up-river side of City Park, through the Lakeview and Lakeshore neighborhood, and into Lake Pontchartrain. It is part of the system used to pump rain water out of the streets of the city into the Lake. The Canal has also been known as the Orleans Avenue Canal, the Orleans Outfall Canal, the Orleans Tail Race, and early on, the Girod Canal,
Document 7: Industrial Canal Lock: The Inner Harbor Navigation Canal Lock—commonly known as Industrial Canal Lock or simply Industrial Lock—is a navigation lock in New Orleans. It connects the Lower Mississippi River to the Industrial Canal and other sea-level waterways. Because it is shorter and narrower than most modern locks on the Mississippi River System, the 1920s vintage lock has become a bottleneck between the nation's two highest-tonnage waterways—the Mississippi and the Gulf Intracoastal Waterway.
Document 8: Westham Station: Westham Station in Henrico County, Virginia, USA, was originally located at Westham on the Richmond and Allegheny Railroad (R&A), which was laid along the towpath of the James River and Kanawha Canal in the 1880s. The R&A railroad was acquired by the Chesapeake and Ohio Railway (C&O) in the 1890s. Westham Station was built in 1911, near the Westham Bridge, which spans James River. The station was heated by a coal stove and had a telegraph for communication through the 1950s.
Document 9: Industrial Canal: The Industrial Canal is a 5.5 mile (9 km) waterway in New Orleans, Louisiana, United States. The waterway's proper name, as used by the U.S. Army Corps of Engineers and on NOAA nautical charts, is Inner Harbor Navigation Canal (IHNC). The more common "Industrial Canal" name is used locally, both by commercial mariners and by landside residents.
Document 10: James River and Kanawha Canal: The James River and Kanawha Canal was a partially built canal in Virginia intended to facilitate shipments of passengers and freight by water between the western counties of Virginia and the coast. Ultimately its towpath became the roadbed for a rail line following the same course.
Document 11: Portage Canal: The Portage Canal was built to connect the Fox River and Wisconsin River at Portage, Wisconsin along the Fox-Wisconsin Waterway. For a time, it completed a route from the north Atlantic Ocean, through the St. Lawrence Seaway and down the Mississippi River to the Gulf of Mexico, and back to the Atlantic.
Document 12: New Orleans Outfall Canals: There are three outfall canals in New Orleans, Louisiana – the 17th Street, Orleans Avenue and London Avenue canals. These canals are a critical element of New Orleans’ flood control system, serving as drainage conduits for much of the city. There are 13 mi of levees and floodwalls that line the sides of the canals. The 17th Street Canal is the largest and most important drainage canal and is capable of conveying more water than the Orleans Avenue and London Avenue Canals combined.
Document 13: National Waterway 3: The West Coast Canal or National Waterway No 3 is a 168-km stretch of this inland navigational route located in Kerala, India and runs from Kollam to Kottapuram and was declared a National Waterway in 1993. In addition to the main stretch, Champakara and Udyogmandal canals are navigable and connect the industrial centers of Kochi to Kochi port Inland Waterways Authority of India (IWAI) under the Ministry of Shipping is coordinating the task for developing, monitoring and administering national waterways. It is the first National Waterway in the country with 24-hour navigation facilities along the entire stretch.It has been extended to Kozhikode as per National Waterways Bill, 2015.
Document 14: James River and Kanawha Turnpike: The James River and Kanawha Turnpike was built to facilitate portage of shipments of passengers and freight by water between the western reaches of the James River via the James River and Kanawha Canal and the eastern reaches of the Kanawha River.
Document 15: 17th Street Canal: The 17th Street Canal is the largest and most important drainage canal in the city of New Orleans. Operating with Pump Station 6, It moves water into Lake Pontchartrain. The canal, along with the Orleans Canal and the London Avenue Canal, form the New Orleans Outfall Canals. The 17th Street Canal forms a significant portion of the boundary between the city of New Orleans and Metairie, Louisiana. The canal has also been known as the Metairie Outlet Canal and the Upperline Canal.
ground_truth: The James River and Kanawha Canal