Question: Out of Contra Costa Canal and Dundee Canal, which one is more east in the USA?
Context: Oakley is a city in Contra Costa County, California, United States.  It is within the nine-county San Francisco Bay Area.  The January 1, 2016 population was 40,144, as determined by the State Department of Finance.  Oakley was incorporated in 1999 and is the most recently incorporated city in Contra Costa County.  Oakley is part of the East Contra Costa Bicycle Plan, which has existing facilities in Oakley as well as plans for further expansion. John Gioia (pronounced: Joy-a ) is an American politician.  He has served on the Contra Costa County Board of Supervisors in Contra Costa County, California since 1998 and was overwhelmingly re-elected three times.  He served as chair in 2002, 2006 and 2010.  John Gioia is a Democrat.  Contra Costa Supervisory seats are non-partisan. The Contra Costa Canal is a 47 mi aqueduct in the U.S. state of California.  Its construction began in 1937, with delayed completion until 1948 due to World War II shortages in labor and materials.  A portion of the canal's right of way has been developed as the Contra Costa Canal Regional Trail, a biking and walking trail, and is managed by the East Bay Regional Park District. The Dundee Canal was an industrial canal in Clifton and Passaic in Passaic County, New Jersey.  It was built between 1858 and 1861 and ran parallel to the Passaic River.  It supplied hydropower and water for manufacturing.  There was interest by some members of the business community to modify the canal to support navigational uses, but the canal was never used for that purpose. The Contra Costa Times was a daily newspaper based in Walnut Creek, California, U.S..  The paper served Contra Costa and eastern Alameda counties, in the eastern part of the San Francisco Bay Area.  The "Times" also published four other editions under different titles ("West County Times", "East County Times", "San Ramon Valley Times", and "Valley Times") with essentially the same content, serving distinct communities within its circulation area.  In 2007 the Contra Costa Times was merged with Alameda News Group to form a new entity called Bay Area News Group-East Bay (BANG-EB), which is in turn owned by MediaNews Group. The Contra Costa Community College District is a community college district that encompasses three community colleges in Contra Costa County, California - Contra Costa College, Diablo Valley College and Los Medanos College.  Headquarters office is located in the George R. Gordon Education Center in Martinez, California. Contra Costa Centre is a census-designated place in Contra Costa County, California.  Contra Costa Centre sits at an elevation of 92 feet (28 m).  The 2010 United States census reported Contra Costa Centre's population was 5,364.  Contra Costa Centre is served by the Pleasant Hill / Contra Costa Centre BART station. Pleasant Hill/Contra Costa Centre is a Bay Area Rapid Transit station serving the Contra Costa Centre Transit Village in Contra Costa Centre, California, just north of Walnut Creek and just east of Pleasant Hill. The County Connection (officially, the Central Contra Costa Transit Authority, CCCTA) is a Concord-based public transit agency operating fixed-route bus and ADA paratransit (County Connection LINK) service in and around central Contra Costa County in the San Francisco Bay Area.  Established in 1980 as a joint powers authority, CCCTA assumed control of public bus service within central Contra Costa first begun by Oakland-based AC Transit as it expanded into suburban Contra Costa County in the mid-1970s (especially after the opening of BART). The Contra Costa Water District (CCWD) is an agency that was created in 1936 to supply water for consumers in eastern Contra Costa, California.  It is now one of the largest water districts in California, serving about 500,000 people in Central and Eastern Contra Costa County.
Answer: The Dundee Canal