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
9RB7 United States Vermont Marble Isle LaMotte nearly black, fine grain, fossiliferous, dolomitic
3L16 United States Vermont Marble Isle LaMotte nearly black, fine grain, fossiliferous, dolomitic
12RB2 United States Vermont Marble Isle LaMotte nearly black, fine grain, fossiliferous, dolomitic
14LB2 United States Vermont Marble Isle LaMotte nearly black, fine grain, fossiliferous, dolomitic
14RB27 Cuba Marble Isle of Pines light bluish-gray, coarse grain calcite
8Lb10 Cuba Marble Isle of Pines gray and dark-streaked, coarse grain calcite
8RB11 Cuba Marble Isle of Pines bluish-gray, coarse grain calcite
13LA22 Cuba Marble Isle of Pines bluish-gray, medium grain calcite
8LB11 Cuba Marble Isle of Pines gray and dark-streaked, coarse grain calcite
8RB12 Cuba Marble Isle of Pines bluish-gray, dark-veined, coarse grain calcite
13RA25 Cuba Marble Isle of Pines light gray, coarse grain calcite
10LA23 Cuba Marble Isle of Pines white, fine grain, dolomitic
11RA24 Cuba Marble Isle of Pines bluish-gray, coarse grain calcite
10RA25 Cuba Marble Isle of Pines light bluish-gray, medium grain, dolomitic
10RB11 Cuba Marble Isle of Pines dark bluish-gray, coarse grain calcite
11RB23 Cuba Marble Isle of Pines light bluish-gray, medium grain dolomitic
11LA22 Cuba Marble Isle of Pines bluish-gray, coarse grain calcite
13LB23 Cuba Marble Isle of Pines bluish-gray, coarse grain calcite
8RB44 United States Michigan Sandstone Isle Royale reddish-brown, fine grain, porous, Potsdam
10LB32 United States New York Sandstone Ithaca dark blue gray, fine grain, compact, Devonian
13LB42 United States Illinois Limestone Iuka gray, fine grain, compact
10RA29 Mexico Andesite Ixtapalapa light gray, coarse grain, hornblende
5LA36 Mexico Andesite Ixtapalapa black, finely vesicular, hypersthene
11RB33 United States Oregon Sandstone Jacksonville gray, fine grain, porous
9Lb34 United States Oregon Sandstone Jacksonville reddish-brown, fine grain, porous
6RA19 United States Pennsylvania Quartzite Jacksonwald light gray, fine grain, compact
6Lb19 United States Pennsylvania Diabase Jacksonwald dark gray, fine grain
5LB20 United States North Carolina Gneiss Jamestown gray, coarse grain, biotite
14LA46 Portugal Limestone Janianes, Coimbra light gray, fine grain, compact, argillaceous
8RA3 Portugal Limestone Janianes, Coimbra light drab, fine grain, compact, argillaceous
7RB23 United States Maine Gneiss Jefferson gray, fine grain, muscovite-biotite
11LA12 United States Missouri Dolomite Jefferson City light gray, fine grain, compact, siliceous
7RB31 United States Colorado Sandstone Jefferson Co. light red, fine grain, compact
10LA42 United States New Jersey Diabase Jersey City dark gray, fine grain
10RB46 United States New Jersey Diabase Jersey City nearly black, fine grain
8LA31 United States Kentucky Sandstone Johnson Co. light brown, medium grain, porous, Lower carboniferous
6RA10 United States Pennsylvania Sandstone Johnstown light gray, fine grain, compact, carboniferous
11RB1 United States Illinois Dolomite Joilet light gray, fine grain, compact, Upper Silurian
14RA2 United States Illinois Dolomite Joilet light gray, fine grain, compact, Upper Silurian
12LA3 United States Illinois Dolomite Joilet light gray, fine grain, compact, Upper Silurian
14LA3 United States Illinois Dolomite Joilet light gray, fine grain, compact, Upper Silurian
13RB2 United States Illinois Dolomite Joilet light gray, fine grain, compact, Upper Silurian
12RA30 United States Illinois Limestone Joliet cut from same block as 12LA31, light gray, fine grain, compact, Lower Silurian
12LA31 United States Illinois Limestone Joliet light gray, fine grain, compact, Lower Silurian
11LB29 United States Missouri Sandstone Jones Station Ralls Co. light buff, fine grain, porous
12LA32 United States Illinois Limestone Jonesborough light gray, medium grain, compact, oolitic
8RA12 United States Illinois Limestone Jonesborough light gray, medium grain, compact, oolitic
9RA33 United States Minnesota Sandstone Jordan buff, rust-spotted, fine grain, porous, Lower Silurian
12LB22 United States Kansas Limestone Junction City buff, fine grain, porous, soft and earthy
14RB4 United States Illinois Dolomite Kankakee light gray, fine grain, porous, Upper Silurian
12LA14 United States Missouri Limestone Kansas City gray, medium grain, compact, magnesian, fossiliferous
14LA25 Austria Marble Karst black, fine grain, calcite, Paragon
14RA31 Austria Marble Karst gray, fossiliferous, calcite, Fiorito
12LB8 United States Minnesota Dolomite Kasota yellow, fine grain, compact, Lower Silurian
12RA9 United States Minnesota Dolomite Kasota buff, fine grain, compact, Lower Silurian
11LA6 United States Minnesota Dolomite Kasota reddish-yellow, fine grain, porous, Lower Silurian
12RA31 United States Maryland Marble Keedysville gray, fine grain, fossiliferous
6RB44 United States New Hampshire Granite Keene light gray, fine grain, biotite-muscovite
13RA12 United States Ohio Dolomite Kelley's Isl. drab, fine grain, compact, Devonian
14LA17 United States Iowa Dolomite Keokuk drab, medium grain, compact, siliceous, Lower carboniferous
9La10 United States Iowa Limestone Keosauque Station light gray, fine grain, compact, Lower carboniferous
14La10 United States Pennsylvania Dolomite Kerberburgh light yellow, fine grain, compact, Lower Silurian
7LA10 United States Florida Limestone Key West nearly white, porous, friable, oolitic
6RB3 United States Pennsylvania Sandstone Kiasola Station Beaver Co. gray, coarse grain, porous, carboniferous
8LA12 United States Illinois Limestone Kinderhook light gray, medium grain, compact, semicrystalline, carboniferous
9B United States Texas Granite Kingsland pink, coarse-biotite
8LA9 Canada Limestone Kingston dark gray, fine grain, compact, fossiliferous
13RB5 United States New York Limestone Kingston dark gray, medium grain, compact, magnesian, carboniferous
9La34 United States West Virginia Sandstone Kingwood buff, rust-spotted, medium grain, porous
9RA36 United States West Virginia Sandstone Kingwood cut from same block as 9LA34, buff, rust-spotted, medium grain, porous
7RQ United States Ohio Sandstone Kipton gray, fine grain, porous, Kipton Gray
5RQ United States Ohio Sandstone Kipton gray, fine grain, porous, Kipton Gray
8RA38 United States Arizona Tuff Kirkland gray, fine grain, volcanic tuff
7LA36 United States Arizona Tuff Kirkland gray, fine grain, volcanic tuff
6RB29 United States Kentucky Sandstone Kirkmansville yellowish, medium grain, porous
8RA27 United States Maine Schist Knightsville dark gray, fine grain, compact, talcose
7RA36 United States Missouri Granite Knob Lick gray, medium grain, hornblende
12RB25 United States Tennessee Marble Knoxville cut from same block as 12LB24, pink and grya, medium grain, Lower Silurian
11Lq United States Tennessee Marble Knoxville gray, medium grain, calcite, Gray Knox Quaker Gray
2R4 United States Tennessee Marble Knoxville cut from same block as 2L4, pink, dark crowfoot veins, coarse grain, calcite
8RA5 United States Tennessee Marble Knoxville pink, medium grain, Lower Silurian
3R12 United States Tennessee Marble Knoxville cut from same block as 3L12, pinkish-gray, medium grain, fossiliferous, Lower Silurian
14Lb29 United States Tennessee Marble Knoxville pink, medium grain, fossiliferous, Trenton
S2-154 United States Tennessee Marble Knoxville pink, medium-grain calcite marble, Meadow Pink
9RA2 United States Tennessee Marble Knoxville red and white, fossiliferous, Lower Silurian
S2-155 United States Tennessee Marble Knoxville pink, medium-grain calcite marble, Champion Pink
S2-156 United States Tennessee Marble Knoxville gray, medium-grain calcite marble, Appalachian Gray
S2-157 United States Tennessee Marble Knoxville gray, medium-grain calcite marble, Meadow Gray
S2-158 United States Tennessee Marble Knoxville pink, medium-grain calcite marble, Cumberland Pink
12RA5 United States Tennessee Limestone Knoxville brown, gray-mottled, coarse grain, compact, magnesian, Lower Silurian
S2-159 United States Tennessee Marble Knoxville gray, medium-grain calcite marble, Crystal Gray
4Lb11 United States Tennessee Limestone Knoxville pinkish-gray, medium grain, crystalline, compact, Lower Silurian
S2-160 United States Tennessee Marble Knoxville gray, medium-grain calcite marble, Silver Gray
2L4 United States Tennessee Marble Knoxville pink, dark crowfoot veins, coarse grain, calcite
4RB11 United States Tennessee Limestone Knoxville pinkish-gray, medium grain, crystalline, compact, Lower Sil
13LA28 United States Tennessee Marble Knoxville pink, medium grain, fossiliferous, Lower Silurian
12LB24 United States Tennessee Marble Knoxville pink and gray, medium grain, Lower Silurian
10Lb4 United States Tennessee Marble Knoxville pink, medium grain, calcite
14LA28 United States Tennessee Marble Knoxville variegated, medium grain, fossiliferous, Lower Silurian
4LB18 United States Tennessee Marble Knoxville pink, veined with gray, medium grain