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
7LB16 Austria Marble Salzburg brown, small white fossiliferouss, coarse grain calcite
13LA30 Austria Marble Castione pink and yellow veined, fine grain calcite
7Lb5 Austria Marble Castione gray and white, coarsely fossiliferous calcite
5LB27 Austria Conglomerate Lindabrunn light yellow, coarse grain, porous, calcareous
13RA31 Austria Marble Sterzing pale buff and white, porous, fossiliferous calcite
14RA26 Austria Marble Salzburg gray and white, fine grain, coarsely fossiliferous calcite
13LA31 Austria Marble Salzburg Red, white-veined, fine grain calcite
14LA29 Austria Marble Castione reddish-brown, variegated calcite
7LB6 Austria Marble Salzburg red and white, fine grain calcite
7LB7 Austria Marble Castione pink, yellow and white, fine grain, brecciated
14LA30 Austria Marble Castione yellow and purple-streaked, medium grain calcite
7LB8 Austria Marble Castione gray and brown, medium grain calcite
14RA29 Austria Limestone Mokritz buff, fine grain, porous fossiliferous
7LB2 Austria Marble Castione pink, gray-mottled, fine grain calcite
14LA31 Austria Marble Castione yellow, purple-mottled, fine grain
9LB6 Austria Marble Grisignana pale-buff, fine grain, fossiliferous calcite
14LA32 Austria Marble Trent gray, fine grain calcite
14RA30 Austria Marble Adnet brown, white-motled, fine grain calcite
14LA33 Austria Marble Salzburg Red, white-veined, fine grain calcite
14RA31 Austria Marble Karst gray, fossiliferous, calcite, Fiorito
14RA32 Austria Marble Castione yellow, purple-mottled, fine grain
14LA34 Austria Marble Castione pink and white-veined, fine grain calcite
14RA33 Austria Marble Castione pinkish, yellow-veined, fine grain calcite
14LA35 Austria Marble Adnet yellow, white and purple, coarse grain, calcite
7RB3 Austria Marble Castione light buff, fine grain calcite
6LA2 Austria Marble Castione yellow, purple-mottled, fine grain
14RA34 Austria Marble Castione pale-yellow, fine grain calcite
14LA36 Austria Marble Castione pale-pink, mottled, fine grain
14RA35 Austria Marble Castione pink, gray-motled, fine grain calcite
10RB3 Austria Marble Salzburg dark and brownish, coarse grain, fossiliferous calcite
14RA36 Austria Marble Adnet yellowish-red, fine grain, fossiliferous calcite
14LB24 Austria Marble Castione light buff, medium grain, fossiliferous calcite
14LB25 Austria Marble Untersberg white and buff, red-specked, fossiliferous calcite
7Lb3 Austria Marble Castione pale pinkish-yellow, brecciated, coarse grain calcite
13RB30 Austria Marble Castione pinkish-buff, variegated, fine grain calcite
13LB30 Austria Marble Adnet light brown with white fossiliferouss, fine grain calcite
14RB25 Austria Marble Castione dull-pink, veined, fine grain calcite
13LB31 Austria Marble Castione pink and buff-mottled, fine grain calcite
5RA28 Austria Pitchstone Castleruth dark-brown, coarse grain
14RB26 Austria Marble Castione dull-pink, fine grain, fossiliferous calcite
5LA26 Austria Pitchstone Castleruth dark gray, spotted with white, coarse grain
8RA7 Austria Marble Untersberg buff, red-speckled, fossiliferous calcite
8LA7 Austria Marble Castione gray and brown, fine grain, fossiliferous calcite
5LA27 Austria Quartz South Tyrol Red, spotted with white, medium grain, Porphyritic
8RA8 Austria Marble Adnet greenish, white veined, fine grain calcite
8LA8 Austria Marble Castione drab, yellow-spotted, fine grain calcite
9LA6 Austria Marble Castione buff, coarse, fossiliferous calcite
14LB30 Austria Marble Castione pinkish-yellow, fine grain calcite
9RA6 Austria Marble The Tyrol white, coarsely crystalline
7RB1 Austria Marble St. Felice red and yellow-mottled, fine grain calcite
7RB4 Austria Marble Sterzing pale gray, coarsely crystalline calcite
14LA19 Australia Marble New South Wales black, fine grain, fossiliferous calcite
14RA19 Australia Marble New South Wales grayish-white, fine grain
3L2 Australia Marble New South Wales white, greenish and yellow-veined, medium grain calcite
14RA20 Australia Marble South Australia gray and white-mottled and veined, medium grain
9LA27 Australia Sandstone New South Wales cut from same block as 9LB26, pinkish-buff, coarse grain, porous
9RA26 Australia Sandstone New South Wales cut from same block as 9LB26, pinkish-buff, coarse grain, porous
7RA3 Australia Marble New South Wales gray-variegated, fine grain calcite
4L7 Australia Sandstone New South Wales pinkish-buff, medium grain, porous
4L8 Australia Sandstone New South Wales light buff, coarse grain, porous
4R7 Australia Sandstone New South Wales Cut from same block as 4L7, pinkish-buff, medium grain, porous
4R8 Australia Sandstone New South Wales Cut from the same block as 4L8, light buff, coarse grain, porous
1r6 Australia Granite New South Wales black and white, coarse grainbiotite
3R10 Australia Marble New South Wales Cut from the same block as 3L10, gray, yellow and white-mottled, medium grain calcite
10LA17 Australia Marble South Australia gray, medium grain calcite
9RB24 Australia Sandstone New South Wales cut from same block as 9LB26, pinkish-buff, coarse grain, porous
9LB26 Australia Sandstone New South Wales pinkish-buff, coarse grain, porous
9RB25 Australia Sandstone New South Wales cut from same block as 9LB26, pinkish-buff, coarse grain, porous
9LB27 Australia Sandstone New South Wales cut from same block as 9LB26, pinkish-buff, coarse grain, porous
7LA1 Australia Marble South Australia buff and gray mottled, medium grain
3l10 Australia Marble New South Wales gray, yellow and white-mottled, medium grain calcite
7RA2 Australia Marble South Australia brownish-white with brown veins, medium grain
3L12 United States Tennessee Marble Knoxville pinkish-gray, medium grain, fossiliferous, Lower Silurian
4LB18 United States Tennessee Marble Knoxville pink, veined with gray, medium grain
13LA2 United States Illinois Dolomite Lemont light gray, fine grain, compact, Upper Silurian
5LA29 United States California Granite Rocklin gray, fine grain, biotite
13RA7 United States Minnesota Dolomite Mankato buff, fine grain, porous, Lower Silurian
5RB19 United States Massachusetts Granite Quincy dark gray, coarse grain, hornblende
14LA17 United States Iowa Dolomite Keokuk drab, medium grain, compact, siliceous, Lower carboniferous
6LA3 United States Pennsylvania Sandstone Wampum light gray, medium grain, porous, carboniferous
6LB45 United States Vermont Granite Brattleboro light gray, fine grain, biotite
6RB16 United States Pennsylvania Diabase Round Top Gettysburg gray, fine grain, porous, Mesozoic
16B United States Maine Granite Frankfort gray, medium grain, biotite, Mt Waldo
26WE United States Wyoming Sandstone Laramie light-pink, medium-grain, porous
10LA3 United States Vermont Marble Mallett's Bay red and white, fine grain, Cambrian, dolomite
10LB42 United States Montana Granite Baxendale pink and gray, medium grain, biotite
11LA18 United States Vermont Marble Southerland Falls white, gray-spotted, Lower Silurian, calcite
7La16 United States Pennsylvania Limestone Lebanon dark blue gray, fine grain, compact, Lower Silurian
9RA7 United States Vermont Marble W. Rutland white, green-clouded, medium grain, Lower Silurian, calcite
11RB20 United States Iowa Limestone Burlington buff, medium grain, compact, fossiliferous
7LB35 United States Nevada Andesite Reno light gray, medium grain, compact, hornblende
S1-23 United States Massachusetts Granite Quincy gray, medium-grain, hornblende
12LA31 United States Illinois Limestone Joliet light gray, fine grain, compact, Lower Silurian
S2-125 United States Kansas Limestone Cottonwood gray, coarse-grain, crystalline
12RA19 United States Vermont Marble Danby cut from the same block as 12LA18, white, medium grain, calcite, Imperial Yellow Danby
8LA23 United States Massachusetts Diabase Medford dark gray, coarse grain
S2-30 United States Maryland Schist Potomac Varicolored chlorite, some with cleavage horizontal, some with cleavage vertical
8LB39 United States West Virginia Sandstone Wheeling gray, medium grain, porous, carboniferous
S2-89 United States Massachusetts Granite Unknown bluish-gray, fine-grain, biotite
9LA20 United States Pennsylvania Sandstone Pond Eddy dark blue gray, fine grain, compact, Devonian