National Park Service wastewater project underway
U.S. Army Corps of Engineers Nashville District and National Park Service officials look at the high-density polyethylene tubing Jan. 20, 2023, prior to its installation. Construction for a wastewater project is underway to provide a sanitary upgrade for the National Park Service Blue Heron Mine at the Big South Fork National River and Recreation Area in Stearns, Kentucky. (USACE Photo by Lee Roberts)

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Photo by: Lee Roberts |  VIRIN: 230120-A-EO110-1004.JPG