U.S. flag

An official website of the United States government

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

Engineering Laboratory

Materials and Structural Systems Division

Search the Stone wall

Share

Search by state, country, classification, source, wall number or description.

Wall Number Country State Classification Source Description
10RB38 Unknown
10RA37 United States New Hampshire Granite Mason light gray, fine grain, biotite
11LB37 United States Virginia Granite Manchester gray, fine grain, biotite
11RB32 United States Virginia Granite Namozine Dist. greenish-gray, fine grain, biotite
1L4 United States Connecticut Granite Norwalk pint and gray, fine grain, muscovite-biotite
1R3 United States Connecticut Granite Mystic Bridge brownish-gray, fine grain, biotite
4LB17 United States Maine Granite Otter Creek Mt. Desert bright-pink, coarse grain, biotite
4RB15 United States Maine Granite Vinal Haven pink, coarse grain, biotite
5Lb44 United States New Hampshire Granite Concord gray, fine grain, biotite-muscovite
5RA30 United States California Granite Penryn dark-olive, black-spotted, medium grain, hornblende
5RB18 United States Massachusetts Granite Quincy dark gray, coarse grain, hornblende
6LB44 United States New Hampshire Granite Troy gray, fine grain, muscovite-biotite
6RB44 United States New Hampshire Granite Keene light gray, fine grain, biotite-muscovite
S1-22 United States Massachusetts Granite Quincy dark-gray, coarse-grain, hornblende
S2-59 United States North Carolina Granite Mt. Airy Mt Airy Granite, veneer
S2-73 United States North Carolina Granite Mt. Airy light-gray, medium-grain, biotite
S2-88 United States Maine Granite Deer Island pinkish-gray, coarse-grain, biotite
10RA38 United States New Hampshire Granite Fitzwilliams gray, fine grain, biotite
11LB38 United States Virginia Granite Fredericksburg dark gray, fine grain, biotite
1L5 United States Connecticut Granite Roxbury light brownish-gray, fine grain, biotite-muscovite
1R4 United States Connecticut Granite Reynold's Bridge light gray, fine grain, muscovite-biotite
4B United States Massachusetts Granite Milford pale-pink, coarse grain, biotite, Milford Pink
5LA29 United States California Granite Rocklin gray, fine grain, biotite
5LB16 United States Massachusetts Granite Gloucester gray, coarse grain, hornblende
5LB30 United States Georgia Granite Ogelsby light gray, fine grain, biotite
5RA17 United States New Jersey Granite Pompton Jct. pink and green, coarse grain, pegmatite, Pompton Pink
5RA46 United States Rhode Island Granite Niantic gray, fine grain, biotite
5RB19 United States Massachusetts Granite Quincy dark gray, coarse grain, hornblende
6LA44 United States New Hampshire Granite Troy light gray, fine grain, muscovite-biotite
6LB45 United States Vermont Granite Brattleboro light gray, fine grain, biotite
6RA44 United States New Hampshire Granite Milford light gray, fine grain, biotite
6RB45 United States Vermont Granite Brunswick gray, fine grain, biotite
S1-23 United States Massachusetts Granite Quincy gray, medium-grain, hornblende
S2-74 United States North Carolina Granite Mt. Airy light-gray, medium-grain, biotite
S2-89 United States Massachusetts Granite Unknown bluish-gray, fine-grain, biotite
10LA43 United States New Hampshire Granite Rumney gray, fine grain, biotite-muscovite
10LB27 United States North Carolina Granite Louisburg gray, pink-spotted, fine grain, biotite
10RA39 United States New Hampshire Granite Allenstown gray, fine grain, biotite-muscovite
10RB23 United States Massachusetts Granite Framingham dark gray, coarse grain, biotite
11LB39 United States Virginia Granite Manchester gray, medium grain, biotite
15B United States New Hampshire Granite Redstone green, coarse grain, biotite-hornblende, Conway Green
1B United States Massachusetts Granite W. Chelmsford light gray, medium grain, muscovite-biotite, West Chelmsford Gray
1L6 Canada Granite Halifax Co. gray, coarse grainbiotite-muscovite, Porphyritic
1R5 United States Connecticut Granite Thomaston light gray, fine grain, muscovite-biotite
4RB17 United States Maine Granite Milford pink, coarse grain, biotite, Milford Pink
5LB17 United States Massachusetts Granite Gloucester light pink, coarse grain, hornblende
5RA32 United States Colorado Granite Lawson gray, pink-spotted, medium grain, porphyritic biotite
6LB17 United States Pennsylvania Granite Allentown gray, red-spotted, medium grain, hornblende-biotite
6LB46 United States Vermont Granite Bethel white, medium grain, muscovite
6RA45 United States Vermont Granite Newark pink, coarse grain, biotite
6RB31 United States Texas Granite Nr. Llano gray, coarse grain, biotite
6RB46 United States Vermont Granite Barre light gray, fine grain, biotite
7LA42 United States New Hampshire Granite W. Concord gray, fine grain, biotite-muscovite
7RB22 United States North Carolina Granite Warren Plains white, fine grain, biotite
9RB22 United States Massachusetts Granite Worcester gray, coarse grain, biotite-muscovite
S1-24 United States Massachusetts Granite Quincy dark-gray, coarse-grain, hornblende
S2-60 United States North Carolina Granite Mt. Airy Mt Airy Granite, veneer
S2-75 Finland Granite Helsinki Red, black-spotted hornblende
10LA44 United States New Hampshire Granite Concord gray, fine grain, biotite-muscovite
10LB42 United States Montana Granite Baxendale pink and gray, medium grain, biotite
10RB24 United States Massachusetts Granite Quincy pink, coarse grain, hornblende
1L7 United States Massachusetts Granite Quincy dark gray, coarse grain, riebeckite-aegirite
1r6 Australia Granite New South Wales black and white, coarse grainbiotite
4EE United States Minnesota Granite Morton pink, black banded, coarse-grain, biotite
4LB20 United States Connecticut Granite Leete Isl. pink and black, fine grain, muscovite-biotite
4RB18 United States Rhode Island Granite Westerly pink, fine grain, biotite
5LA30 United States Texas Granite Nr. Llano gray, coarse grain, biotite
5LA45 United States Vermont Granite Ryegate gray, coarse grain, biotite-muscovite
5LB18 United States Massachusetts Granite Gloucester gray, coarse grain, hornblende
5LB32 United States Colorado Granite Lawson light gray, fine grain, muscovite
5RA33 United States Minnesota Granite E. St. Cloud Red, coarse grain, hornblende
5RB20 United States Massachusetts Granite Quincy dark gray, coarse grain, hornblende
6LB32 United States Texas Granite Burnet Red, coarse grain, biotite
6rb32 United States Colorado Granite Georgetown gray, medium grain, Porphyritic, biotite
6RB47 United States Vermont Granite Ryegate gray, fine grain, biotite-muscovite
7LB32 United States Minnesota Granite Watab gray, coarse grain, hornblende-biotite
8B United States Minnesota Granite Isle gray, medium to coarse, biotite, Pearl White
9RB23 United States Maine Granite Hurricane Isl. gray, coarse grain, biotite
S1-25 Italy Granite Baveno light-gray, medium-grain, biotite
S2-47 United States Vermont Granite Barre gray, medium-grain, biotite
S2-61 United States North Carolina Granite Mt. Airy Mt Airy Granite, veneer
S2-76 United States New Hampshire Granite Concord gray, medium-grain, muscovite-biotite
S2-90 United States Maine Granite Deer Island pinkish-gray, coarse-grain, biotite
10LA45 United States New Hampshire Granite Lebanon pink, coarse grain, biotite-epidote
10LB29 United States Maine Granite St. Thomaston gray, coarse grain, biotite
10LB43 United States New Hampshire Granite Hanover gray, coarse grain, biotite
10RA40 United States New Hampshire Granite Milford light gray, fine grain, biotite
10RB25 United States Maine Granite Hallowell light gray, fine grain, muscovite-biotite
11RB36 United States New Hampshire Granite Enfield gray, fine grain, biotite
1L8 United States Massachusetts Granite Quincy dark gray, coarse grain, riebeckite-aegirite
1R7 United States Massachusetts Granite Quincy dark gray, coarse grain, riebeckite-aegirite
4LB21 United States Massachusetts Granite Fitchburg gray, coarse grain, biotite
5LA31 United States Colorado Granite Salida dark gray, fine grain, biotite
5La46 United States Rhode Island Granite Westerly pink, fine grain, biotite
5LB19 United States Massachusetts Granite Leominister dark gray, fine grain, biotite
5RB21 United States North Carolina Granite Toisnot gray, pink-spotted, medium grain, biotite
5RB36 United States Connecticut Granite W. Norfolk gray, fine grain, biotite
5RB9 United States Massachusetts Granite Randolph light pink, coarse grain, biotite
6LA32 United States Texas Granite Nr. Llano pink, medium grain, biotite
7RA35 United States Missouri Granite Graniteville Red, medium grain, biotite