These large, flattened pieces of sandstone were likely by-products of cutting stone for use in building. For some reason, these stones were not considered useful for construction, so they were left here.Galleries:Allegheny Portage Railroad, Rock SpecimensKeywords:allegheny portage railroad, by-products of cutting stone, discarded sandstone, gallitzin, masonry, pennsylvania, stonecutters, worked sandstonePhoto Location: 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°27'26.33"N 78°32'57.61"WPicture Number: 15835
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