This large block of sandstone has evidence of drill holes, along the top. The drill marks were made by stonecutters, as they worked the stone. This large block does not appear to have been used for construction purposes.Galleries:Allegheny Portage Railroad, Railroad Tracks, Rock SpecimensKeywords:allegheny portage railroad, drill holes, gallitzin, large blocks of sandstone, pennsylvania, sandstone, stone masonry, stonecuttersPhoto 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: 15869
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