Question: Which is longer, Central Arizona Project or Augusta Canal?

Context paragraphs:
Bobby Pierce (baseball coach, born 1978): Bobby Pierce (born October 17, 1978) is an American college baseball coach, currently serving as head coach of the IPFW Mastodons baseball team.  He has held that position since the 2009 season.  He played at UNLV, Central Arizona, and New Mexico State.  With Central Arizona, he played in the 1999 JUCO World Series.  He began his coaching career as an assistant with Central Arizona for one season before becoming an assistant at Arkansas–Little Rock.  Two seasons later, he became head coach at NCAA Division II Metro State before accepting the same job at IPFW.

New Waddell Dam: The New Waddell Dam is an embankment dam on the Agua Fria River in Maricopa County, Arizona, 35 mi northwest of Phoenix.  It serves as part of the Central Arizona Project (CAP) while also providing water for the Maricopa Water District.  The dam creates Lake Pleasant with water from the Agua Fria and also the CAP aqueduct.  In addition, it affords flood protection, hydroelectric power production and recreational opportunities.  Construction on the dam began in 1985 and ended in 1994.  Its reservoir submerged the Old Waddell Dam which was completed in 1927 after decades of planning.

Hayden-Rhodes Aqueduct: The Hayden-Rhodes Aqueduct is that section of the Central Arizona Project, an aqueduct system in Arizona, United States, formerly known as the Granite Reef Division.

Hooker Dam: Hooker Dam was a proposed dam on the Gila River in New Mexico, planned as a major component of the Central Arizona Project.  Located near the mouth of the river's canyon upstream from the confluence of the Gila with Mogollon Creek and below Turkey Creek, the dam was to be part of the CAP's Gila River Division, authorized under the 1968 Colorado River Basin Project Act.  The project was planned to provide 18000 acre.ft /year of water to western New Mexico.

Central Arizona Museum Association: Central Arizona Museum Association (CAMA), founded in 1978, is a 501(c)(3) regional non-profit organization registered with the Arizona Corporation Commission and dedicated to fostering collaboration among museum members, encouraging professional development, improving best practices, and promoting the value of member museums to the greater community.  Central Arizona is home to diverse museums offering exhibitions and programming for students, adults, specialists, and children ranging from lectures to social hours, free events, workshops, demonstrations, trips to other destinations, and much more.  CAMA is also the sponsor of International Museum Day in central Arizona.

Butt Memorial Bridge: The Butt Memorial Bridge is a road bridge in Augusta, Georgia that carries 15th Street over the Augusta Canal.  It is dedicated to Major Archibald Willingham Butt, born in Augusta and a victim of the sinking of RMS "Titanic".  The bridge was erected in 1914 and dedicated by President William Howard Taft, a personal friend of Butt's.  It is notable that the bridge was the first memorial erected to remember the "Titanic" disaster, and it stands today as the only memorial in Georgia dedicated to the disaster.  The bridge is made of stone, featuring four pillars topped with bronze-banded globes placed over electric lights.  Four lions with plaques adorn each side and end of the bridge, while lights are strung from one end of the bridge to the other.  A memorial plaque is located on the center of the bridge, dedicated to Butt's memory.

Central Arizona Project: The Central Arizona Project (CAP) is a 336 mi (541 km) diversion canal in Arizona in the United States.  The aqueduct diverts water from the Colorado River from the Bill Williams Wildlife Refuge south portion of Lake Havasu near Parker into central and southern Arizona.  The CAP is the second largest and expansive aqueduct system ever constructed in the United States.  CAP is managed and operated by the Central Arizona Water Conservation District (CAWCD).  It was shepherded through Congress by Carl Hayden.

Augusta Canal: The Augusta Canal is a historic canal located in Augusta, Georgia, United States.  The canal is fed by the Savannah River and passes through three levels (approximately 13 miles total) in suburban and urban Augusta before the water returns to the river at various locations.  It was devised to harness the water power at the fall line of the Savannah River to drive mills, to provide transportation of goods, and to provide a municipal water supply.  It is the only canal in the US in continuous use for its original purposes of providing power, transport and municipal water.

Susan Bitter Smith: Susan Bitter Smith (born 1956) is currently the vice-president of Technical Solutions, and executive director Arizona/New Mexico Cable Communications Association.  She is a registered Republican in the state of Arizona, and has held multiple public offices.  She most recently served as Chairman of the Arizona Corporation Commission. , but resigned in December 2015 amid controversy (see below).  Prior to serving on the ACC, she was president of the Central Arizona Project, and before that Vice Mayor for Scottsdale, Arizona.  She has also served as a member for American Society of Association Executives (past chair, Key Award winner, Women Who Advance Excellence award winner and fellow).  Her other memberships include, St. Theresa Catholic School Development Board, and president of the ASU Walter Cronkite Endowment Board (1998-1999)

Navajo Generating Station: Navajo Generating Station is a 2250 megawatt net coal-fired powerplant located on the Navajo Indian Reservation, near Page, Arizona United States.  This plant provides electrical power to customers in Arizona, Nevada, and California.  It also provides the power for pumping Colorado River water for the Central Arizona Project, supplying about 1.5 million acre feet (1.85 km) of water annually to central and southern Arizona.  As of 2017 permission to operate as a conventional coal-fired plant is anticipated until 2017-2019, and to December 22, 2044 if extended.  However, in 2017, the utility operators of the power station voted to close the facility when the lease expires in 2019.

Supporting paragraphs: Central Arizona Project Augusta Canal
Answer: Central Arizona Project