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
4L4 United States Vermont Marble W. Rutland bluish-gray, medium grain, calcite, Rutland Blue Building Grade
S2-107 United States Tennessee Sandstone Crossville Crab Orchanrd Stone, variegated colors, some on bed and some on edge, in 3- to 6 in. thicknesses
4RQ United States Ohio Sandstone Amherst gray, medium grain, porous, Berea Gray
7RA33 United States Connecticut Sandstone Portland purplish-brown, fine grain, compact, Triassic
7WE United States South Dakota Sandstone Hot Springs light-pink, medium-grain, porous
S2-165 United States Massachusetts Marble Lee blue, medium-grain dolomitic marble, Lee Dark Blue
10LB40 United States South Dakota Quartzite Sioux Falls reddish, fine grain, compact
13LB11 United States Ohio Dolomite Covington buff, fine grain, compact, siliceous, Upper Silurian
5LB21 United States North Carolina Gneiss Henry's Station McDowel Co. dark gray, coarse grain, biotite
8LB20 United States Ohio Sandstone Berea buff, medium grain, porous, Lower carboniferous
S2-70 United States North Carolina Granite Salisbury pale pink, med-grain, biotite
10RA8 United States Tennessee Marble Calhoun pink, buff-mottled, coarse, brecciated, magnesian, Lower Silurian
8RA34 United States Minnesota Sandstone Luverne purplish-brown, medium grain, compact
11LA16 United States Iowa Dolomite Anamosa light buff, fine grain, porous, cellular, bituminous
13RB41 United States Indiana Limestone N. Vernon dark-streaked, fine grain, compact, Niagara
6B United States North Carolina Granite Salisbury pink, medium grain, biotite, Salisbury
8RB7 United States Nebraska Limestone Roca light gray, fine grain, compact, Permian
11LB38 United States Virginia Granite Fredericksburg dark gray, fine grain, biotite
14La8 United States Massachusetts Marble Lee white, medium grain, dolomite, Lee Marble
6LB21 United States Ohio Sandstone Millersburg gray, coarse grain, porous, carboniferous
9Lb19 United States Pennsylvania Argillite (Slate) Chapman's Station blue-black, fine grain, banded roofing slate
11RB19 United States Vermont Marble W. Rutland white, gray-veined, medium grain, Lower Silurian, calcite
6RA35 United States Connecticut Granite Millstone Point gray, fine grain, biotite
12LA3 United States Illinois Dolomite Joilet light gray, fine grain, compact, Upper Silurian
12RA17 United States Iowa Dolomite Garrison dark gray, fine grain, compact, Devonian
9Lb44 United States Wyoming Sandstone Laramie light red, fine grain, porous
9RB19 United States Pennsylvania Sandstone Erie drab, fine grain, compact, Devonian
3L4 United States Tennessee Marble Quarryville brown, gray-spotted, coarse-calcite
7LA29 United States California Sandstone Livermore gray, fine grain, compact
S1-35 United States Ohio Sandstone Glenmont buff, coarse-grain, porous
4R3 United States Vermont Marble W. Rutland bluish-gray, medium grain, calcite, Rutland Blue Building Grade
7RB23 United States Maine Gneiss Jefferson gray, fine grain, muscovite-biotite
S2-137 United States Vermont Marble Florence bluish-gray, veined, medium-grain calcite marble, Avenatto
10LB12 United States Kansas Dolomite Topeka gray, medium grain, compact, fossiliferous, carboniferous
13LA26 United States Texas Limestone San Saba light buff, fine grain, compact, cretaceous
5La35 United States Connecticut Gneiss N. Bridgeport dark gray, fine grain, hornblende-biotite
8LA35 United States Connecticut Sandstone E. Haven brown, coarse grain, porous, Triassic
S2-42 United States Maryland Schist Potomac Varicolored chlorite, some with cleavage horizontal, some with cleavage vertical
10RA24 United States Kansas Limestone Armstrong buff, medium grain, porous, fossiliferous
13LB41 United States South Carolina Marble Poor Mountain grayish-white, coarse grain
5LQ United States Tennessee Marble Knoxville pink, medium grain, calcite, Bond Pink
8Lb8 United States Ohio Limestone Hamilton dark gray, coarse grain, compact, fossiliferous
S3-10 United States Arkansas Limestone Batesville gray, medium-grain crystalline, Batesville
13RB13 United States Massachusetts Marble Lee white, medium grain, dolomite, Lee Marble
5RB25 United States North Carolina Granite Louisburg light gray, fine grain, biotite
8RB21 United States Ohio Sandstone Amherst light buff, fine grain, porous, laminated, Lower carboniferous
11LB1 United States Indiana Dolomite Longwood yellowish, mottled, fine grain, compact, cellular
14LA23 United States Colorado Marble Marble white, golden-veined, medium grain, calcite
6LA36 United States Connecticut Gneiss Greenwich dark gray, fine grain, hornblende-biotite
9La32 United States Texas Sandstone Range greenish-gray, fine grain, porous
11RA26 United States Kansas Limestone Atchison drab-gray, medium grain, compact, fossiliferous, carboniferous
14LB38 United States Pennsylvania Limestone Palmyra darak blue gray, fine grain, compact, Lower Silurian
6LB9 United States Pennsylvania Sandstone Baden gray, rust-spotted, coarse, porous, carboniferous
11RB7 United States New York Limestone Three Mile Bay gray, fine grain, compact, fossiliferous, magnesian, Lower Silurian
14RA7 United States New York Limestone Saratoga black, fine grain, compact, Lower Silurian
17WE United States Ohio Sandstone McDermott blue, fine-grain, porous
9RA31 United States Connecticut Gneiss Branford gray, fine grain, biotite
2R14 United States Vermont Marble W. Rutland white, green-clouded, fine grain, calcite, Jade Building Grade, Silurianvert Memorial Grade
6RB47 United States Vermont Granite Ryegate gray, fine grain, biotite-muscovite
9RB8 United States Vermont Marble Rutland dark, blue-veined, fine grain, Lower Silurian, calcite
4L5 United States Vermont Marble W. Rutland bluish-gray, dark-clouded, medium grain, calcite, Sterling and Standard Memorial Grade
7LB17 United States Pennsylvania Gneiss Chester dark gray, fine grain, biotite
S2-108 United States Tennessee Sandstone Crossville Crab Orchanrd Stone, variegated colors, some on bed and some on edge, in 3- to 6 in. thicknesses
12RB38 United States Kentucky Limestone Taylorsville gray, medium grain, compact, coarsely fossiliferous
4WE United States Pennsylvania Sandstone Elwood buff, coarse-grain, compact
8B United States Minnesota Granite Isle gray, medium to coarse, biotite, Pearl White
S2-166 United States Massachusetts Marble W. Stockbridge white, medium-grain calcite marble, West Stockbridge
10LB41 United States Maryland Quartzite Frederick Co. cream-colored, coarse grain
13LB12 United States New Jersey Dolomite Newton dark gray, fine grain, compact, Lower Silurian
5LB22 United States North Carolina Gneiss Alexander dark gray, medium grain, hornblende-biotite
8LB21 United States Ohio Sandstone Steubensville Jefferson Co. gray, medium grain, porous, carboniferous
S2-71 United States Massachusetts Granite W. Chelmsford light-gray, medium-grain, muscovite-biotite
10RA9 United States Wisconsin Dolomite Byron light gray, fine grain, compact, Upper Silurian
13RA27 United States Tennessee Limestone Nashville buff, coarse, cellular, fossiliferous
8RA35 United States Connecticut Sandstone Portland purplish-brown, fine grain, compact, Triassic
11La17 United States Iowa Dolomite Lansing light gray, fine grain, compact, Lower Silurian
13RB42 United States Indiana Limestone Bedford dark gray, medium grain, porous, oolitic, Lower carboniferous
6C United States Indiana Limestone ? gray, medium grain, porous, oolitic, Select Gray
8RB8 United States West Virginia Marble Harpers Ferry nearly black, yellow-veined, fine grain
11LB39 United States Virginia Granite Manchester gray, medium grain, biotite
14LA9 United States Pennsylvania Limestone Spruce Creek Huntingdon Co. black, fine grain, compact, magnesian, Lower Silurian
6LB22 United States Massachusetts Gneiss W. Andover gray
9Lb2 United States Tennessee Marble Rogersville variegated, medium grain, Lower Silurian
11RB2 United States Texas Dolomite Burnet dull-red, variegated, fine grain, compact
14RA21 United States Iowa Limestone Washington dark gray, medium grain, compact, semi crystalline, Lower carboniferous
6RA36 United States Connecticut Gneiss Gastonbury gray, fine grain, biotite
12LA30 United States Maryland Marble Union Bridge dark-red and white, coarse grain
12RA18 United States Virginia Marble Harrisonburg black, fine grain, graphitic, calcite
1R15 United States Vermont Marble W. Rutland white, slightly-clouded, fine grain, calcite, Rutland A Building Grade, Select Memorial Grade
6RB19 United States Pennsylvania Diabase Reading dark gray, coarse grain
9RB2 United States Tennessee Marble Knoxville pink, medium grain, fossiliferous, Lower Silurian
3L5 United States New York Marble Moriah gray, green-spotted, coarse, verde-antique
S1-36 United States Ohio Sandstone Amherst gray, medium-grain, porous
4R4 United States Vermont Marble W. Rutland bluish-gray, medium grain, calcite, Rutland Blue Building Grade
7RB24 United States Maine Granite Augusta light gray, fine grain, muscovite-biotite
S2-138 United States Vermont Marble W. Rutland white, medium-grain calcite marble, Second Statuary
10LB13 United States Iowa Limestone Marble Rock light buff, fine grain, compact, Devonian
13LA27 United States Tennessee Limestone Nashville gray, medium grain, compact, fossiliferous, Lower Silurian, Capitol Quarry
8LA36 United States Missouri Sandstone Clinton light gray, fine grain, porous, carboniferous
S2-43 United States Maryland Schist Potomac Varicolored chlorite, some with cleavage horizontal, some with cleavage vertical