Premise: The Friant-Kern Canal is a 152 mi Central Valley Project aqueduct managed by the United States Bureau of Reclamation in Central California to convey water to augment irrigation capacity in Fresno, Tulare, and Kern counties. Construction began in 1949 and the canal was completed in 1951, at a cost of $60.8 million.
Hypothesis: The Friant-Kern Canal  took many years to complete to due slow workers