Refuge Boundary. The Lost Mound Unit of Upper Mississippi River National Wildlife & Fish Refuge is 10,000 acres of reclaimed prairie that was once the Savanna Army Depot, a 13,062-acre military installation that was closed in March 2000 by the Base Realignment and Closure (BRAC) Commission.

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Size: 1152px × 1735px
Photo credit: © Natural History Collection / Alamy / Afripics
License: Licensed
Model Released: No

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