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
10LB7 United States Missouri Limestone Clinton buff, fine grain, compact, argillaceous, carboniferous
10LB8 Hungary Limestone Leitha Mts. light buff, coarse grain, cellular, fossiliferous
10Lb9 United States Vermont Marble W. Rutland white, green-veined, fine grain, Lower Silurian, calcite
10lq United States Arkansas Marble Batesville Motteled gray and white, fine grain, calcite
10R51 United States Pennsylvania Argillite (Slate) Lynnport cut from same block as 10LB18, dark gray, fine grain, slate
10RA1 United States Virginia Marble Near National Bridge light green and gray, fine grain, magnesian
10RA10 United States New York Limestone Prescott gray, medium grain, compact, fossiliferous, magnesian, Lower Silurian
10RA11 United States Pennsylvania Dolomite York black, fine grain, compact, calcareous, Lower Silurian
10RA12 United States Kansas Dolomite Richland Twp. Butler Co. buff, fine grain, compact, siliceous
10RA13 United States Ohio Dolomite White House gray, fine grain, porous, Devonian
10RA14 United States Ohio Dolomite Van Wert light drab, fine grain, porous, Upper Silurian
10RA15 United States Ohio Dolomite White House gray, fine grain, porous, Devonian
10RA16 United States Vermont Marble Isle LaMotte nearly black, fine grain, fossiliferous, dolomitic
10RA17 United States Vermont Marble Southerland Falls cut from same block as 10LB10, white, gray-spotted, Lower Silurian, calcite
10RA18 United States Vermont Marble W. Rutland white, gray-veined, Lower Silurian, calcite
10RA19 United States Vermont Marble Dorset white, medium grain, Lower Silurian, calcite
10RA2 United States Washington Marble Lincoln Co. pale-pink, coarse grain, magnesian
10RA20 United States Texas Limestone Cedar Park light buff, fien-gr, cellular, large shells, Cordova Shell
10RA21 United States Arizona Marble Nr. Phoenix cut from same block as 10LA22, light drab, yellow motled onyx
10RA22 United States Kansas Limestone Smoky Hill Reservation white, fine grain, porous, chalky
10RA23 United States Kansas Limestone Eldorado light gray, fine grain, compact, Permian
10RA24 United States Kansas Limestone Armstrong buff, medium grain, porous, fossiliferous
10RA25 Cuba Marble Isle of Pines light bluish-gray, medium grain, dolomitic
10RA26 Italy Marble Carrara cut from same block as 10LA27, white, gray-veined, fine grain, 2nd Quality Veined
10RA27 Italy Marble Carrara cut from same block as 10LA27, white, gray-veined, fine grain, 2nd Quality Veined
10RA28 Italy Travertine Tivoli cut from same block as 10LA29, buff, fine grain, cellular calcite, Roman Trav
10RA29 Mexico Andesite Ixtapalapa light gray, coarse grain, hornblende
10RA3 United States Vermont Marble Mallett's Bay cut from the same block as 10LA3, red and white, fine grain, Cambrian, dolomite
10RA30 Mexico Sandstone Guanajuato State green, brown-banded, medium grain, compact, calcareous
10RA31 United States Kansas Sandstone Parsons gray, fine grain, porous, calcareous
10RA32 United States Kansas Sandstone Parsons buff, fine grain, porous
10RA33 United States Kansas Sandstone Neodesha buff, fine grain, friable, calcareous
10RA34 United States Virginia Granite Tuckahoe Dist. gray, fine grain, biotite
10RA35 United States New Hampshire Granite Roxbury light gray, fine grain, biotite-muscovite
10RA36 United States New Hampshire Granite Fitzwilliams gray, fine grain, biotite-muscovite
10RA37 United States New Hampshire Granite Mason light gray, fine grain, biotite
10RA38 United States New Hampshire Granite Fitzwilliams gray, fine grain, biotite
10RA39 United States New Hampshire Granite Allenstown gray, fine grain, biotite-muscovite
10RA4 United States Vermont Marble Mallett's Bay cut from same block as 10LA3, red and white, fine grain, Cambrian, dolomite
10RA40 United States New Hampshire Granite Milford light gray, fine grain, biotite
10RA41 United States New Hampshire Granite Farmington gray, fine grain, biotite-muscovite
10ra42 United States Wyoming Granite Sherman pink, fine grain biotite
10ra43 United States Wyoming Granite Sherman Red, fine grain biotite
10RA44 United States New Jersey Diabase W. New York gray, fine grain
10RA45 United States Vermont Granite Woodbury gray, medium grain, biotite
10RA46 United States Rhode Island Granite Smithfield pink, coarse grain, biotite
10RA47 United States Tennessee Syenite Hiwasee copper mines gray, green-spangled, medium grain, hornblende
10Ra48 United States Tennessee Gneiss Wolf Creek Cocke Co. gray and pink, fine grain, compact, conglomerate
10RA49 United States Tennessee Granite Carter Co. S. E. part gray, coarse grain, hornblende
10RA5 United States Vermont Marble Mallett's Bay cut from same block as 10LA3, red and white, fine grain, Cambrian, dolomite
10RA6 United States Vermont Marble Isle LaMotte nearly black, fine grain, fossiliferous, dolomitic
10RA7 United States Vermont Marble Mallett's Bay cut from same block as 10AL3, red and white, fine-r, Cambrian, dolomite
10RA8 United States Tennessee Marble Calhoun pink, buff-mottled, coarse, brecciated, magnesian, Lower Silurian
10RA9 United States Wisconsin Dolomite Byron light gray, fine grain, compact, Upper Silurian
10RB1 Portugal Marble Arrabida Mts., Lisbon Dist. cut from the same block as 10LB1, red and yellow, coarse grain calcareous conglomerate
10RB10 United States Vermont Marble Southerland Falls cut from same block as 10LB10, white, gray-spotted, Lower Silurian, calcite
10RB11 Cuba Marble Isle of Pines dark bluish-gray, coarse grain calcite
10RB12 United States Iowa Limestone Iowa City brown, medium grain, compact, Devonian
10RB13 United States Iowa Limestone Blansett light gray, medium grain, compact, oolitic
10RB14 United States Indiana Limestone Stinesville light gray, medium grain, porous, fossiliferous-bearing, bituminous
10RB15 England Marble Bristol cut from the same block as 10LB14, gray and brown, fine grain dendritic
10rb16 Argentina Marble Unkown dark gray, medium grain
10RB17 Spain Limestone Ricla, Saragossa blue-black, fine grain, compact
10RB18 United States Virginia Marble Craigsville gray, pink-spotted, fine grain, fossiliferous, Upper Silurian
10RB19 United States North Carolina Marble Red Marble Gap pink, fine grain, Archaean, calcite
10RB2 Portugal Marble Cintra, Lisbon Dist. yellow, fine grain
10RB20 United States Pennsylvania Argillite (Slate) Slatington blue-black, fine grain, roofing and tile slate
10RB21 United States Pennsylvania Argillite (Slate) Slatington blue-black, fine grain, roofing and tile slate
10RB22 United States Ohio Sandstone Warren gray, fine grain, porous, Lower carboniferous, flagstone
10RB23 United States Massachusetts Granite Framingham dark gray, coarse grain, biotite
10RB24 United States Massachusetts Granite Quincy pink, coarse grain, hornblende
10RB25 United States Maine Granite Hallowell light gray, fine grain, muscovite-biotite
10RB26 United States Maine Argillite (Slate) Brownsville uniform blue-black, electrical
10RB27 United States Maine Granite E. Blue Hill gray, coarse grain, biotite
10RB28 United States Maine Granite Somesville Mt. Desert gray, medium grain, biotite
10RB29 United States New York Sandstone Medina light purplish-pink, fine grain, porous, Upper Silurian
10RB3 Austria Marble Salzburg dark and brownish, coarse grain, fossiliferous calcite
10RB30 United States New York Argillite (Slate) Middle Granville purple, rough-texture, roofing, slate
10RB31 United States Texas Sandstone Mormon Mills gray, medium grain, porous, carboniferous, calcareous
10RB32 United States Colorado Sandstone Fort Collins light gray, fine grain, porous, calcareous
10RB33 United States Connecticut Granite Stony Creek Red, coarse grain, biotite
10RB34 Mexico Basalt Mexico State dull-red, very vesicular
10RB35 Mexico Pumice San Juan, Pueblo State gray, fine grain, coarsely vesicular
10RB36 United States Missouri Sandstone St. Genevieve buff, fine grain, porous, Lower carboniferous
10RB37 United States West Virginia Sandstone Berkeley Springs dull-red, fine grain, compact
10RB38 Unknown
10RB39 Unknown Sandstone
10RB4 Austria Marble Castione drab, white and coarsely fossiliferous, Liassic
10RB40 United States Maryland Granite Gwynn Falls gray, fine grain, biotite
10RB41 United States Maryland Granite Granite black, white-spotted, coarse grain, biotite
10RB42 United States Oregon Basalt Albany dark gray, medium grain, compact
10RB43 United States Montana Granite Butte dark greenish-gray, medium grain, hornblende
10RB44 United States New Hampshire Granite Durham gray, coarse grain, biotite
10RB45 United States New Hampshire Granite Mason light gray, medium texture, biotite
10RB46 United States New Jersey Diabase Jersey City nearly black, fine grain
10RB47 United States Rhode Island Granite West Greenwich light pink, coarse grain, biotite
10RB48 United States Wisconsin Sandstone Ableman light buff, fine grain, porous, friable, Lower Silurian
10RB49 United States Wisconsin Quartz Marquette dark gray, coarse grain, compact, Porphyritic
10RB5 United States Colorado Marble Canon City Cut from same block as 10LB5, buff and pink, fine grain, calcite, travertine
10RB50 United States New Mexico Serpentine Grant County Gila River cut from same block as 10LB49, green and white-banded, fine grain, Riccolite