Army Corps of Engineers Los Angeles District contractors construct a reinforced embankment to protect critical infrastructure against flooding Oct. 5 in Duncan, Arizona. Large stones and rocks are used with sand and soil in a process called rip rap to strengthen embankments dikes and levees.

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Photo credit: © Operation 2022 / Alamy / Afripics
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Keywords: .., angeles, arizona, army, clinton, corps, david, district, duncan, emergency, engineers, fight, flood, griffin, los, response, silvertooth, spl, usace, usacespl