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
13LB35 Spain Marble Chodes, Saragossa black and brown, coarse grainbreccia
14LB31 Austria Marble Castione brown-variegated, veined calcite
14RA44 Portugal Marble Freduesias of S Miguel Coimbra dull-red, light streaked, fine grain
7LB16 Austria Marble Salzburg brown, small white fossiliferouss, coarse grain calcite
3L6 Italy Marble Carrara white, pale gray clouds, fine grain calcite
5LA37 Unknown Granite
6LA38 Mexico Tuff Oaxaca State light green, fine grain, compact rhyolite
14LA47 Portugal Limestone Ilhastro, Coimbra light drab, fine grain, compact
14RB30 Austria Marble Adnet dark purplish veined with white, medium grain calcite
7LB6 Austria Marble Salzburg red and white, fine grain calcite
2R16 Italy Marble Carrara cut from same block as 2L16, white, fine grain calcite
4L7 Australia Sandstone New South Wales pinkish-buff, medium grain, porous
11LA37 Portugal Sandstone St. Miguel, Coimbra Red, fine grain, comapct, calcareous
14LB32 Austria Marble Castione brown, gray-mottled and veined calcite
14RA45 Portugal Marble Serrada, do Lager, Leiria Prov dull-pink, fine grain
7RA34 Scotland Sandstone Elgin, Moray
3L7 Italy Marble Carrara yellowish-white, fine grain, statuary calcite
5RB28 Austria Quartz South Tyrol reddish, white-spotted, medium grainquartz, Porphyritic
14RB31 Austria Marble Sterzing white, coarsely crystalline marble
1R10 Italy Marble Carrara cut from same block as 1L10, pale gray, fine grain calcite, 2nd QuaLower Ord White
7LA3 Hungary Limestone Oszlopp buff-variegated, medium grain, compact, fossiliferous
7LB7 Austria Marble Castione pink, yellow and white, fine grain, brecciated
8LB9 Bermuda Limestone Coralline nearly white, coarsely cellular, friable
4L8 Australia Sandstone New South Wales light buff, coarse grain, porous
6LA1 Austria Marble Adnet light buff, fine grain, fossiliferous, magnesian
10RB3 Austria Marble Salzburg dark and brownish, coarse grain, fossiliferous calcite
14LA19 Australia Marble New South Wales black, fine grain, fossiliferous calcite
14LB33 Austria Marble Castione yellow and purple-streaked, fine grain calcite
14RA46 Portugal Marble Salmanha, Coimbra pink, fine grain
9RA14 Spain Limestone Saragossa Prov. light drab, fine grain, compact
3L8 Italy Marble Carrara white, fine grain calcite, First QuaLower Ord White
4R7 Australia Sandstone New South Wales Cut from same block as 4L7, pinkish-buff, medium grain, porous
5RB29 Austria Granite Crasstein black and white, medium grain, biotite
12LA23 Canada Marble Stony Mt., Near Winnipeg purple and buff, fossiliferous calcite
14RB32 Austria Marble Castione Red, fine grain, fossiliferous
1R11 Italy Marble Carrara cut from same block as 1L11, white, gray-veined, fine grain, 1st QuaLower Ord White
7LB8 Austria Marble Castione gray and brown, medium grain calcite
5LB26 Austria Granite Neuhaus gray, fine grain, biotite granite
10LA50 Canada Sandstone Sackville, New Brunswick brown, medium grain, porous
13LA22 Cuba Marble Isle of Pines bluish-gray, medium grain calcite
14LB34 Spain Marble Saragossa Prov. dark-drab, red veined, fine grain calcite
14RA47 Portugal Marble Penella, Beira Prov. light drab, reddish-veined, fine grain calcite
9RA15 Spain Marble Saragossa Prov. light buff, pink-veined, fine grain calcite
9RB31 Mexico Pyrophyllite Sonora State cut from same block as 9LB33, light gray, buff-spotted, fine grain
3L9 Italy Marble Carrara yellowish-white, fine grain, statuary calcite
4R8 Australia Sandstone New South Wales Cut from the same block as 4L8, light buff, coarse grain, porous
12LA24 Italy Marble Spezia, Genoa Prov. cut from same block as 11LB24*, black, veined with yellow, fine grain, Portoro
12RB35 Unknown Marble
14RA19 Australia Marble New South Wales grayish-white, fine grain
14RB33 Austria Marble Salzburg white, coarsely crystalline marble
1R12 Italy Marble Carrara cut from the same block as 1L12, pale gray, darker-veins, fine grain, 3rd QuaLower Ord White
7LB9 Hungary Limestone Margarethen Leitha Mts. yellow, coarse grain, porous, fossiliferous
9RA45 Canada Sandstone Dorchester, New Brunswick olive, fine grain, porous, Sub-carboniferous
5LB27 Austria Conglomerate Lindabrunn light yellow, coarse grain, porous, calcareous
13LA23 Austria Marble Castione yellow-veined, fine grain calcite
14LB35 Spain Limestone Morata, Saragossa pinkish, fine grain, compact
7LB2 Austria Marble Castione pink, gray-mottled, fine grain calcite
10LA23 Cuba Marble Isle of Pines white, fine grain, dolomitic
12LA25 Italy Marble Serravezza cut from same block as 12RA24, pale gray, dark-veined, fine grain, 2nd QuaLower Bardiglio
13RA25 Cuba Marble Isle of Pines light gray, coarse grain calcite
14RB34 Spain Limestone Saragossa Prov. bluish-drab, fine grain, compact
8RA1 Portugal Marble Ponde do Espinal, Coimbra light gray, fine grain, cellular
9RA46 Canada Sandstone Georgetown, Ontario light-gray, fine grain, porous
13LA24 Austria Marble Untersberg buff, red-specked, fossiliferous calcite
14LB36 Spain Marble Saragossa Prov. drab and light-brown, coarse grain, brecciated
8LA1 Portugal Marble Andorinha, Coimbra light yellow, fine grain
12LA26 Italy Travertine Tivoli cut from same block as 10LA29, buff, fine grain, cellular calcite, Roman Trav
12RB37 Portugal Marble Estremoz, Alemtejo Prov. white, yellow-veined, medium grain calcite
13RA26 Canada Limestone Montreal region dark gray, fine grain, compact
14RA20 Australia Marble South Australia gray and white-mottled and veined, medium grain
14RB35 Spain Limestone Calatayud, Saragossa dark gray, fine grain, compact
1R14 Italy Marble Carrara cut from the same block as 1L14, gray, fine grain, First Quality Bardiglio
9LA37 Unknown Serpentine
S1-21 Italy Granite Biella dark-gray, fine-grain, biotite
5LA12 Scotland Sandstone Anan dull-red, fine grain, compact, Devonian
14LB37 Hungary Limestone Margarethen Leitha Mts. light buff, coarse grain, porous, fossiliferous
8LA10 Unknown Marble
3R10 Australia Marble New South Wales Cut from the same block as 3L10, gray, yellow and white-mottled, medium grain calcite
12LA27 Italy Marble Serravezza cut from the same block as 11LA29, gray, dark-veined, fine grain, 1st QuaLower Bardiglio
14RB36 Spain Limestone Murcia, Murcia light gray, coarse grain, friable
7LA34 Scotland Sandstone Beauty, Rose
7RA1 Portugal Limestone Covoes, Coimbra buff, thin veins, fine grain, compact
9RA6 Austria Marble The Tyrol white, coarsely crystalline
5RA45 Hungary Conglomerate Sommerein pale-buff, fine grain, porous calcareous
10RB34 Mexico Basalt Mexico State dull-red, very vesicular
7RA4 Hungary Marble Mannersdorf pale-buff and white, fossiliferous calcite
9LA1 Portugal Limestone Nazareth, Leiria pinkish, fine grain, compact
9LB26 Australia Sandstone New South Wales pinkish-buff, coarse grain, porous
10LB39 Mexico Pyrophyllite Sonora State cut from same block as 9LB33, light gray, buff-spotted, fine grain
14RB37 Hungary Limestone Margarethen Leitha Mts. light buff, medium grain, cellular, fossiliferous
1R16 Italy Marble Carrara cut from the same block as 1L16, white, gray-veined, fine grain, 1st QuaLower White Veined
7RB3 Austria Marble Castione light buff, fine grain calcite
10LB1 Portugal Marble Arrabida Mts., Lisbon Dist. red and yellow, coarse grain calcareous conglomerate
10RB35 Mexico Pumice San Juan, Pueblo State gray, fine grain, coarsely vesicular
11RB46 Canada Sandstone Cliffton, New Brunswick greenish-gray, medium grain, compact
9LB27 Australia Sandstone New South Wales cut from same block as 9LB26, pinkish-buff, coarse grain, porous
10LA27 Italy Marble Carrara white, gray-veined, fine grain, 2nd Quality Veined
13RA29 Austria Marble Adnet greenish-gray, white-spotted, fine grain calcite
11RA24 Cuba Marble Isle of Pines bluish-gray, coarse grain calcite
14LA25 Austria Marble Karst black, fine grain, calcite, Paragon