Sandstone Piers ID: 3294 | This file appears in: Tinker's Creek Aqueduct Ashlar Sandstone Piers buttressed the aqueduct's trough, holding the canal water above Tinker's Creek. New, but similar, sandstone piers support the aqueduct today. | Source: Library of Congress, Historic American Buildings Survey, Historic American Engineering Record Download Original File SourceLibrary of Congress, Historic American Buildings Survey, Historic American Engineering Record "Sandstone Piers" appears in: Tinker's Creek Aqueduct