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Engineering Laboratory

Materials and Structural Systems Division

Search the Stone wall

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Search by state, country, classification, source, wall number or description.

Wall Number Country State Classification Source Description
S2-43 United States Maryland Schist Potomac Varicolored chlorite, some with cleavage horizontal, some with cleavage vertical
S2-44 United States Maryland Schist Potomac Varicolored chlorite, some with cleavage horizontal, some with cleavage vertical
S2-11 United States Maryland Schist Potomac Varicolored chlorite, some with cleavage horizontal, some with cleavage vertical
S2-45 United States Maryland Schist Potomac Varicolored chlorite, some with cleavage horizontal, some with cleavage vertical
S2-14 United States Maryland Schist Potomac Varicolored chlorite, some with cleavage horizontal, some with cleavage vertical
S2-17 United States Maryland Schist Potomac Varicolored chlorite, some with cleavage horizontal, some with cleavage vertical
S2-46 United States Maryland Schist Potomac Varicolored chlorite, some with cleavage horizontal, some with cleavage vertical
S2-18 United States Maryland Schist Potomac Varicolored chlorite, some with cleavage horizontal, some with cleavage vertical
S2-19 United States Maryland Schist Potomac Varicolored chlorite, some with cleavage horizontal, some with cleavage vertical
20EE United States Maryland Schist Potomac vari-colored chlorite schist, Stonyhurst
S2-20 United States Maryland Schist Potomac Varicolored chlorite, some with cleavage horizontal, some with cleavage vertical
S2-21 United States Maryland Schist Potomac Varicolored chlorite, some with cleavage horizontal, some with cleavage vertical
S2-22 United States Maryland Schist Potomac some with cleavage vertical, Varicolored chlorite, some with cleavage horizontal
S2-23 United States Maryland Schist Potomac Varicolored chlorite, some with cleavage horizontal, some with cleavage vertical
S2-24 United States Maryland Schist Potomac Varicolored chlorite, some with cleavage horizontal, some with cleavage vertical
9RB27 United States New York Sandstone Potsdam red and white banded, medium grain, compact, Lower Silurian
13RB9 United States Pennsylvania Dolomite Potts Landing Berk's Co. bluish-gray, fine grain, compact, Lower Silurian
6RB11 United States Pennsylvania Conglomerate Pottsville brown and gray, coarse, compact, siliceous
7LB24 United States Maine Granite Pownal gray, fine grain, biotite
12LB29 United States Wisconsin Limestone Prairie du Chien light buff, fine grain, compact
10RA10 United States New York Limestone Prescott gray, medium grain, compact, fossiliferous, magnesian, Lower Silurian
9LA33 United States Arizona Sandstone Prescott Red, coarse grain, compact
9RA35 United States Arizona Sandstone Prescott Red, coarse grain, compact
14Lb46 United States Kentucky Limestone Princeton light gray, medium grain, compact, oolitic, Lower carboniferous
13RA41 United States Kentucky Limestone Princeton light gray, medium grain, compact, oolitic, Lower carboniferous
13RA42 United States Kentucky Limestone Princeton light drab, medium grain, compact, oolitic, Lower carboniferous
11RB38 United States New Jersey Sandstone Princetown greenish-gray, fine grain, compact, Triassic
11LA31 United States South Dakota Travertine Pringle white yellow-banded, medium grain, tranvertine
6LB6 United States Pennsylvania Sandstone Prospect gray, fine grain, compact, carboniferous
12LA11 United States Ohio Dolomite Pt. Marblehead light gray, fine grain, porous, bituminous, Devonian
13RB32 Spain Marble Puebla de Alborton pink and white, cellular, brecciated calcite
5RB37 Mexico Basalt Puebla State nearly black, fine grain, coarsely vesicular
5LB36 Mexico Basalt Puebla State cut from the same block as 5RB37, nearly black, fine grain, coarsely vesicular
9RB28 United States New York Sandstone Pultney blue gray, fine grain, compact, Devonian
8RA15 United States Indiana Limestone Putnamville gray, fine grain, compact, Lower carboniferous, siliceous
13LA21 United States Iowa Limestone Quarry, Marshall Co. gray, medium grain, compact, fossiliferous, Lower carboniferous
13RB15 United States Iowa Dolomite Quarry, Marshall Co. buff, fine grain, compact, fossiliferous, Sub-carboniferous
14RB17 United States Iowa Dolomite Quarry, Marshall Co. light gray, fine grain, porous, Lower carboniferous
3R4 United States Tennessee Marble Quarryville cut from same block as 3L4, brown, gray-spotted, coarse calcite
8LB42 United States New Jersey Sandstone Quarryville dark blue gray, fine grain, compact, Lower Silurian
3L4 United States Tennessee Marble Quarryville brown, gray-spotted, coarse-calcite
6LA18 United States Pennsylvania Sandstone Queens Run Clinton Co. dark gray, fine grain, compact, Devonian
13LA42 United States Illinois Limestone Quincy yellow, fine grain, compact, Lower carboniferous
10RB24 United States Massachusetts Granite Quincy pink, coarse grain, hornblende
1L7 United States Massachusetts Granite Quincy dark gray, coarse grain, riebeckite-aegirite
S1-22 United States Massachusetts Granite Quincy dark-gray, coarse-grain, hornblende
1L8 United States Massachusetts Granite Quincy dark gray, coarse grain, riebeckite-aegirite
1L9 United States Massachusetts Granite Quincy dark gray, coarse grain, riebeckite-aegirite
S1-23 United States Massachusetts Granite Quincy gray, medium-grain, hornblende
S1-24 United States Massachusetts Granite Quincy dark-gray, coarse-grain, hornblende
12RA4 United States Illinois Limestone Quincy light gray, coarse grain, compact, magnesian, fossiliferous
S1-26 United States Massachusetts Granite Quincy dark-gray, medium-grain, hornblende
5RB11 United States Massachusetts Granite Quincy dark-red, coarse grain, hornblende
S1-29 United States Massachusetts Granite Quincy dark-gray, coarse-grain, hornblende
5RB12 United States Massachusetts Granite Quincy dark gray, coarse grain, hornblende
5RB13 United States Massachusetts Granite Quincy dark gray, coarse grain, hornblende
5RB14 United States Massachusetts Granite Quincy dark gray, coarse grain, hornblende
4RB14 United States Massachusetts Granite Quincy blue gray, coarse grain, hornblende
5RB17 United States Massachusetts Granite Quincy dark gray, coarse grain, hornblende
5RB18 United States Massachusetts Granite Quincy dark gray, coarse grain, hornblende
5RB19 United States Massachusetts Granite Quincy dark gray, coarse grain, hornblende
5RB20 United States Massachusetts Granite Quincy dark gray, coarse grain, hornblende
1R7 United States Massachusetts Granite Quincy dark gray, coarse grain, riebeckite-aegirite
1R8 United States Massachusetts Granite Quincy dark gray, coarse grain, riebeckite-aegirite
1R9 United States Massachusetts Granite Quincy dark gray, coarse grain, riebeckite-aegirite
S2-49 United States Massachusetts Granite Quincy dark-gray, coarse-grain, hornblende
S1-15 United States Massachusetts Granite Quincy dark-gray, coarse-grain hornblende
S2-81 United States Massachusetts Granite Quincy dark-gray, coarse-grain, hornblende
5RB10 United States Massachusetts Granite Quincy Adams pink, fine grain, biotite
13LB4 United States Wisconsin Dolomite Racine light drab, fine grain, cellular, Upper Silurian
11LA2 United States Michigan Dolomite Raisinville light gray, fine grain, porous, granular, Devonian
9RA24 United States North Carolina Sandstone Raleigh cut from same block as No 6L48, brownish-gray, coarse grain, porous
9RA25 United States North Carolina Sandstone Raleigh cut from same block as No 6L48, brownish-gray, coarse grain, porous
9LA25 United States North Carolina Sandstone Raleigh cut from same block as 6L48, brownish-gray, coarse grain, porous
9LA26 United States North Carolina Sandstone Raleigh cut from the same block as No 6L48, brownish-gray, coarse grain, porous
8LB25 United States North Carolina Gneiss Raleigh light blue gray, fine grain, biotite
6R48 United States North Carolina Sandstone Raleigh cut from same block as No 6L48, brownish-gray, coarse grain, porous
6L48 United States North Carolina Sandstone Raleigh brownish-gray, coarse grain, porous
5RB9 United States Massachusetts Granite Randolph light pink, coarse grain, biotite
9La32 United States Texas Sandstone Range greenish-gray, fine grain, porous
8La41 United States Mississippi Sandstone Rankin Co. yellow, fine grain, compact, argillaceous
9RA40 United States Wyoming Diorite Raw Hide Buttes nearly black, fine grain, compact
9RA39 United States Wyoming Sandstone Rawlins light gray, fine grain, porous, calcareous
7RB41 United States New Hampshire Granite Raymond light pink, medium grain, biotite
6LA12 United States Pennsylvania Sandstone Reading brownish-purple, medium grain, porous, Triassic
7RB17 United States Pennsylvania Gneiss Reading gray, coarse grain
14RA8 United States Minnesota Dolomite Reading light drab, fine grain, compact, Lower Silurian
6RB14 United States Pennsylvania Diabase Reading nearly black, fine grain
8Lb19 United States Pennsylvania Diorite Reading black and white-spotted, coarse grain, slightly porous
6RB19 United States Pennsylvania Diabase Reading dark gray, coarse grain
11LB7 United States Pennsylvania Dolomite Reading dark gray, banded, fine grain, compact, Lower Silurian
11Lb32 United States Utah Sandstone Red Butte light pink, fine grain, porous
10RB19 United States North Carolina Marble Red Marble Gap pink, fine grain, Archaean, calcite
11LA5 United States Minnesota Limestone Red Wing light grab, fine grain, compact, magnesian, dendritic
15B United States New Hampshire Granite Redstone green, coarse grain, biotite-hornblende, Conway Green
3B United States New Hampshire Granite Redstone pink, coarse grain, biotite, Conway Pink
8LB29 United States New York Sandstone Reedsville dark blue gray, fine grain, compact, Devonian
9LB25 United States North Carolina Serpentine Reem's Creek dark brownish-green, light-green specks
7LB35 United States Nevada Andesite Reno light gray, medium grain, compact, hornblende
1R4 United States Connecticut Granite Reynold's Bridge light gray, fine grain, muscovite-biotite