Sandstone Ashlars Used to Form an Arch in a Bridge
These rectangular, cut stones are ashlars, and they are joined with mortar. These appear to be some of the stones used for the arch section of Skew Arch Bridge. The bridge is listed on the National Register of Historic Places, as part of the Allegheny Portage Railroad National Historic Site.Galleries:Allegheny Portage Railroad, Arch BridgesKeywords:allegheny portage railroad, arch bridge, bridge, cut stones, gallitzin, mortared joints, pennsylvania, skew arch bridgePhoto Location: Skew Arch Bridge, Allegheny Portage Railroad National Historic Site, PennsylvaniaPhotographer: Dr. Roy WinkelmanDate of Photo: 11/25/2011Device Make: CanonDevice Model: Canon EOS 5D Mark IIOriginal Dimensions: 5616×3744Picture Orientation: LandscapeGPS Coordinates: 40°27'11.00"N 78°32'34.23"WPicture Number: 15931
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