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Stone description: light blue gray

Wall Number Country State Sort descending Classification Source
6RA30 United States Kentucky Sandstone Whitney Co.
8RA31 United States Kentucky Sandstone Pineville
9RB16 United States Maryland Marble New Windsor
8LB25 United States North Carolina Gneiss Raleigh
6La17 United States Pennsylvania Sandstone Skinner's Eddy
6Lb5 United States Pennsylvania Sandstone Nicholson
6RB8 United States Pennsylvania Sandstone Black Walnut
11LA34 United States South Carolina Marble Unknown