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Stone description: dark gray

Wall Number Sort descending Country State Classification Source
6LA41 United States South Carolina Granite Aiken Co.
6LB14 United States Pennsylvania Diabase Collins Station Lancaster Co.
6LB18 United States Pennsylvania Gneiss Philadelphia
6Lb19 United States Pennsylvania Diabase Jacksonwald
6LB29 United States New York Gneiss Hastings
6LB4 United States Pennsylvania Sandstone Schickshinny Luzerne Co.
6LB43 United States New Jersey Diabase Lambertville
6RA22 United States Massachusetts Granite W. Quincy
6RA25 United States Maine Gneiss Turner
6RA34 United States Minnesota Granite E. St. Cloud
6RA40 United States Maryland Gneiss Ellicott City
6RA46 United States Michigan Gneiss Vulcan
6RA5 United States Pennsylvania Sandstone Mauch Chunk
6RB10 United States Pennsylvania Diabase St. Peters
6RB17 United States Pennsylvania Gneiss Philadelphia
6RB19 United States Pennsylvania Diabase Reading
6RB22 United States Massachusetts Granite Rockport
6RB26 United States Maine Granite Bryant's Pond
6RB42 United States South Carolina Granite Batesburg
6RB43 United States New Jersey Diabase Rocky Hill
7LB17 United States Pennsylvania Gneiss Chester
7LB27 United States New York Sandstone Phoenicia
7LB33 United States Connecticut Gneiss Haddam
7RA11 United States Connecticut Limestone Shelterville
7RA25 United States Maine Granite Canaan
8LA23 United States Massachusetts Diabase Medford
8LA27 United States Maine Diabase Addison Point
8LA39 United States Kansas Sandstone Oswego
8LA43 United States Montana Sandstone Columbus
8LA45 United States Washington Sandstone Olymphia
8LA9 Canada Limestone Kingston
8LB27 United States Maine Granite St. George
8Lb40 United States West Virginia Sandstone Rowlesburgh
8Lb8 United States Ohio Limestone Hamilton
8RA18 United States Kentucky Limestone Lebanon
8RA27 United States Maine Schist Knightsville
8RA6 United States New York Limestone Sandy Hill
8RA9 Canada Limestone Montreal
8RB24 United States North Carolina Granite Oxford
8RB38 United States Maryland Gneiss Ilchester
8RB41 United States New Jersey Sandstone Danville
8RB42 United States Montana Sandstone Columbus
9LA14 Spain Limestone Murcia, Murcia
9RA17 United States Pennsylvania Argillite (Slate) Lynnport
9RA23 United States Massachusetts Granite W. Quincy
9RA5 United States Missouri Limestone New London