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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
5RB20 United States Massachusetts Granite Quincy dark gray, coarse grain, hornblende
1L7 United States Massachusetts Granite Quincy dark gray, coarse grain, riebeckite-aegirite
10RB24 United States Massachusetts Granite Quincy pink, 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
S2-49 United States Massachusetts Granite Quincy dark-gray, coarse-grain, hornblende
12RA4 United States Illinois Limestone Quincy light gray, coarse grain, compact, magnesian, fossiliferous
S1-15 United States Massachusetts Granite Quincy dark-gray, coarse-grain hornblende
S2-81 United States Massachusetts Granite Quincy dark-gray, coarse-grain, hornblende
S1-22 United States Massachusetts Granite Quincy dark-gray, coarse-grain, hornblende
6LA18 United States Pennsylvania Sandstone Queens Run Clinton Co. dark gray, fine grain, compact, Devonian
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
14RB17 United States Iowa Dolomite Quarry, Marshall Co. light gray, fine grain, porous, Lower carboniferous
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
8RA15 United States Indiana Limestone Putnamville gray, fine grain, compact, Lower carboniferous, siliceous
9RB28 United States New York Sandstone Pultney blue gray, fine grain, compact, Devonian
5LB36 Mexico Basalt Puebla State cut from the same block as 5RB37, nearly black, fine grain, coarsely vesicular
5RB37 Mexico Basalt Puebla State nearly black, fine grain, coarsely vesicular
13RB32 Spain Marble Puebla de Alborton pink and white, cellular, brecciated calcite
12LA11 United States Ohio Dolomite Pt. Marblehead light gray, fine grain, porous, bituminous, Devonian
6LB6 United States Pennsylvania Sandstone Prospect gray, fine grain, compact, carboniferous
11LA31 United States South Dakota Travertine Pringle white yellow-banded, medium grain, tranvertine
11RB38 United States New Jersey Sandstone Princetown greenish-gray, fine grain, compact, Triassic
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
9LA33 United States Arizona Sandstone Prescott Red, coarse grain, compact
10RA10 United States New York Limestone Prescott gray, medium grain, compact, fossiliferous, magnesian, Lower Silurian
9RA35 United States Arizona Sandstone Prescott Red, coarse grain, compact
12LB29 United States Wisconsin Limestone Prairie du Chien light buff, fine grain, compact
7LB24 United States Maine Granite Pownal gray, fine grain, biotite
6RB11 United States Pennsylvania Conglomerate Pottsville brown and gray, coarse, compact, siliceous
13RB9 United States Pennsylvania Dolomite Potts Landing Berk's Co. bluish-gray, fine grain, compact, Lower Silurian
9RB27 United States New York Sandstone Potsdam red and white banded, medium grain, compact, Lower Silurian
S2-30 United States Maryland Schist Potomac Varicolored chlorite, some with cleavage horizontal, some with cleavage vertical
S2-31 United States Maryland Schist Potomac Varicolored chlorite, some with cleavage horizontal, some with cleavage vertical
S2-32 United States Maryland Schist Potomac Varicolored chlorite, some with cleavage horizontal, some with cleavage vertical
S2-33 United States Maryland Schist Potomac Varicolored chlorite, some with cleavage horizontal, some with cleavage vertical
S2-34 United States Maryland Schist Potomac Varicolored chlorite, some with cleavage horizontal, some with cleavage vertical
S2-35 United States Maryland Schist Potomac Varicolored chlorite, some with cleavage horizontal, some with cleavage vertical
S2-13 United States Maryland Schist Potomac Varicolored chlorite, some with cleavage horizontal, some with cleavage vertical
S2-16 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
S2-36 United States Maryland Schist Potomac Varicolored chlorite, some with cleavage horizontal, some with cleavage vertical
S2-37 United States Maryland Schist Potomac Varicolored chlorite, some with cleavage horizontal, some with cleavage vertical
S2-38 United States Maryland Schist Potomac Varicolored chlorite, some with cleavage horizontal, some with cleavage vertical
S2-39 United States Maryland Schist Potomac Varicolored chlorite, some with cleavage horizontal, some with cleavage vertical
S2-40 United States Maryland Schist Potomac Varicolored chlorite, some with cleavage horizontal, some with cleavage vertical
S2-41 United States Maryland Schist Potomac Varicolored chlorite, some with cleavage horizontal, some with cleavage vertical
23WE United States Maryland Schist Potomac varicolored chlorite schist, Stonyhurst
S2-42 United States Maryland Schist Potomac Varicolored chlorite, some with cleavage horizontal, some with cleavage vertical
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
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
S2-25 United States Maryland Schist Potomac Varicolored chlorite, some with cleavage horizontal, some with cleavage vertical
S2-12 United States Maryland Schist Potomac Varicolored chlorite, some with cleavage horizontal, some with cleavage vertical
S2-15 United States Maryland Schist Potomac Varicolored chlorite, some with cleavage horizontal, some with cleavage vertical
S2-26 United States Maryland Schist Potomac Varicolored chlorite, some with cleavage horizontal, some with cleavage vertical
S2-27 United States Maryland Schist Potomac Varicolored chlorite, some with cleavage horizontal, some with cleavage vertical
S2-28 United States Maryland Schist Potomac Varicolored chlorite, some with cleavage horizontal, some with cleavage vertical
19EE United States Maryland Schist Potomac vari-colored chlorite schist, Stonyhurst
S2-29 United States Maryland Schist Potomac Varicolored chlorite, some with cleavage horizontal, some with cleavage vertical
7Lb19 United States Ohio Sandstone Portsmouth brownish-gray, fine grain, porous, Lower carboniferous
8LA20 United States Ohio Sandstone Portsmouth lightdrab, fine grain, porous, Lower carboniferous, freestone
7La2 Portugal Limestone Porto Barrao, Coimbra drab and gray, fine grain, compact, argillaceous
7RA33 United States Connecticut Sandstone Portland purplish-brown, fine grain, compact, Triassic
8RA35 United States Connecticut Sandstone Portland purplish-brown, fine grain, compact, Triassic
5RA34 United States Connecticut Conglomerate Portland brownish-purple, porous, Triassic
4L6 United States Connecticut Sandstone Portland brown, medium-gr, compact, Triassic
4R6 United States Connecticut Sandstone Portland Cut from same block as 4L6, brown, medium-gr, compact, Triassic
8RB35 United States Connecticut Sandstone Portland purplish-brown, medium grain, porous, muscovite, Triassic
21EE United States New York Sandstone Portageville bluish-gray, fine-grain, compact, Genesee Valley Bluestone
6LA46 United States Michigan Sandstone Portage Entry Red, fine grain, porous
13LB38 United States New York Marble Port Henry gray, green-spotted, coarse grain, calcareous, serpentine
13LB41 United States South Carolina Marble Poor Mountain grayish-white, coarse grain
8RA1 Portugal Marble Ponde do Espinal, Coimbra light gray, fine grain, cellular
9LA20 United States Pennsylvania Sandstone Pond Eddy dark blue gray, fine grain, compact, Devonian
5LB41 United States New Jersey Granite Pompton Jct. pink and green, coarse grain, pegmatite, Pompton Pink
5RA17 United States New Jersey Granite Pompton Jct. pink and green, coarse grain, pegmatite, Pompton Pink
5RA22 United States North Carolina Granite Poison Springs gray, medium grain, biotite
10LB45 United States New Hampshire Granite Plymouth gray, medium grain, biotite
13LA8 United States Pennsylvania Dolomite Plymouth light drab, fine grain, compact, Lower Silurian
5LA18 United States Ohio Sandstone Plymouth light gray, fine grain, porous, Lower carboniferous
11LB3 United States New York Marble Pleasantville white, coarse grain, Archaen, magnesian, Snowflake Marble
7LB39 United States New Jersey Sandstone Pleasant Val. brown, fine grain, porous, Triassic
6LA43 United States New Jersey Sandstone Pleasant Val. brown, fine grain, porous, Triassic