U.S. Army Corps of Engineers (USACE) contractors place rebar at footing of retaining walls on June 20, 2019, in Calexico, Calif. (Photo by Mani Albrecht/U.S. Customs and Border Protection) U.S.
U.S. Army Corps of Engineers (USACE) contractors place rebar at footing of retaining walls on June 20, 2019, in Calexico, Calif. (Photo by Mani Albrecht/U.S. Customs and Border Protection) U.S.
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