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Tucson Oddity: Giant 'jacks' along Santa Cruz River are erosion-control devices

These steel objects, known as Kellner jacks, are believed to have been placed along the Santa Cruz River by the Arizona Department of Transportation in the 1970s to catch debris and slow the flow of the river when it floods, cutting down on erosion.

February 25, 2013 12:00 am Comments

Tucson Oddity: Giant 'jacks' along Santa Cruz River are erosion-control devices

Huge steel objects in the Santa Cruz River near San Xavier Road aren't remnants of a giant's game of jacks, though they do resemble and share the name of the beloved children's game.

February 25, 2013 12:00 am Photos