Why is "Auburn-Folsom South Unit" trending?

Wikipedia Overview

The Auburn-Folsom South Unit is a project associated with the Central Valley Project in California and is one of three units located on the American River in Northern California, the United States Bureau of Reclamation is in charge of the Central Valley Project, including this project. The initial budget for this unit was 1.5 billion dollars. This unit includes a number of dams located on the American River, and work to divert and manage water in the area. The associated features of the Auburn-Folsom South Unit include the Folsom South Canal which was designed to change the direction of water flow at the Nimbus Dam along the American River near Sacramento in Northern California, Auburn Dam which was proposed to be built in the city of Auburn, California, the Sugar Pine Dam located in Placer County, and the County Line Dam and associated features of which construction was never initiated. The South Unit was approved by law in 1965, although actual construction of the projects did not begin until 1967. Some of the projects initially proposed to be a part of the unit were never halted once construction began, or were never started at all.