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One of the numerous microbioretentions on campus at NSA Washington
Panoramic view of the numerous microbioretentions on campus. The roadways and sidewalks are constructed out of "pervious" concrete, which allows stormwater to be absorbed through the surface, preventing runoff into the nearby Midway Branch of the Patuxent River.

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Photo by: NSA |  VIRIN: 220422-D-IM742-1235.JPG