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TRENCHES AND DIKES ARE SHOWN IN THE POND WHICH HELPED TO DIRECT THE ACID WATER AND OIL TO REMOVAL SITES ALONG THE... NARA .tif Scope and content General notes Local identifier DA Environmental Protection Agency NARAAuthor McAllister Bruce Photographer File TRENCHESANDDIKESARESHOWNINTHEPONDWHICHHELPEDTODIRECTTHEACIDWATERANDOILTOREMOVALSITESALONGTHE