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Stone description: dark blue gray

Wall Number Country State Classification Source Sort descending
8RB28 United States New York Sandstone Broadhead's Bridge
8RB30 United States New York Sandstone Broadhead's Bridge
13La39 United States Pennsylvania Marble Columbia
13RA39 United States Pennsylvania Marble Columbia
7RB26 United States New York Sandstone Covert
6RA18 United States Pennsylvania Sandstone Danville
7La27 United States New York Sandstone Hallihan's Hill
7RA13 United States Pennsylvania Limestone Harrisburg
6LA29 United States New York Sandstone High Woods
10LB32 United States New York Sandstone Ithaca
14RB10 United States Pennsylvania Dolomite Leaman Place Lancaster Co.
7La15 United States Pennsylvania Limestone Lebanon
7La16 United States Pennsylvania Limestone Lebanon
8RB17 United States Pennsylvania Limestone Mertztown
13LA34 Spain Marble Panticosa, Huesca
13LB39 United States Pennsylvania Limestone Paxton Station Dauphin Co.
9LA20 United States Pennsylvania Sandstone Pond Eddy
8LB42 United States New Jersey Sandstone Quarryville
8LB29 United States New York Sandstone Reedsville
9Lb29 United States New York Sandstone Schenectady
8LA29 United States New York Sandstone Steeny Kill
9LB30 United States New York Sandstone Trumansburg
9RA28 United States New York Sandstone Ulster Co. Snider Hollow
8LA28 United States New York Sandstone W. Hurley
7RA16 United States Pennsylvania Limestone Wernersville
7Lb26 United States New York Sandstone Woodstock