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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
10Lb36 United States Kansas Sandstone Pawnee gray, dark-spotted, medium grain, compact, calcareous
13LB39 United States Pennsylvania Limestone Paxton Station Dauphin Co. dark blue gray, fine grain, compact, Lower Silurian
11RB25 United States Utah Limestone Payson drab, fine grain, compact
13RB33 United States Utah Marble Payson light gray, variegated, fine grain, calcite
9La23 United States Massachusetts Granite Peabody gray, coarse grain, hornblende
7Lb30 United States Texas Sandstone Pecos Red, fine grain, compact
8La32 United States Texas Sandstone Pecos Red, fine grain, compact
10LB33 United States Texas Sandstone Pecos Red, fine grain, compact
7La30 United States Texas Sandstone Pecos Red, fine grain, compact
14RB21 United States Iowa Limestone Pella Station, Marion Co. light gray, fine grain, compact, Lower carboniferous
14RA47 Portugal Marble Penella, Beira Prov. light drab, reddish-veined, fine grain calcite
5LA3 United States Ohio Sandstone Peninsula gray, coarse grain, porous, Lower carboniferous
5RA30 United States California Granite Penryn dark-olive, black-spotted, medium grain, hornblende
5RA29 United States California Basalt Petaluma dark gray, fine grain, compact
6RA43 United States New Hampshire Gneiss Petersborough gray, medium grain, muscovite-biotite
14L49 United States Missouri Limestone Phenix cut from same block as 2L17, gray, medium grain, crystalline calcite, Napoleon Gray
2L17 United States Missouri Limestone Phenix gray, medium grain, crystalline calcite, Napoleon Gray
14R49 United States Missouri Limestone Phenix cut from the same block as 2L17, gray, medium grain, crystalline calcite, Napoleon Gray
2R17 United States Missouri Limestone Phenix cut from same block as 2L17, gray, medium grain, crystalline calcite, Napoleon Gray
6RB17 United States Pennsylvania Gneiss Philadelphia dark gray, fine grain, biotite
6LB18 United States Pennsylvania Gneiss Philadelphia dark gray, fine grain, hornblende
13LB24 Canada Marble Phillipsburg grayish-white, fine grain calcite
13LB25 Canada Marble Phillipsburg cut from same block as 13LB24, grayish-white, fine grain calcite
9RA29 United States New York Sandstone Phoenicia blue gray, fine grain, compact, Devonian
7LB27 United States New York Sandstone Phoenicia dark gray, fine grain, compact, Devonian
8LB30 United States New York Sandstone Phoenicia blue gray, fine grain, compact, Devonian
6RB12 United States Pennsylvania Conglomerate Pikesville reddish-gray, compact, conglomerate
5LA5 United States Ohio Sandstone Piketon brown, fine grain, porous, Lower Carg, freestone
5LA9 United States Ohio Sandstone Piketon light gray, fine grain, porous, Lower carboniferous
13RA44 United States Kentucky Limestone Pilot Knob light gray, medium grain, compact, oolitic, Sub-carboniferous
9LA40 United States Illinois Sandstone Pinckneyville light brown, fine grain, porous, Lower carboniferous
6La19 United States Pennsylvania Quartz Pine Grove dull-red, coarse grainy, quartz porphyry
14RB38 United States Pennsylvania Marble Pine Grove Schuylkill Co. dark gray, mottled, fine grain, Lower Silurian
14LB45 United States Kentucky Limestone Pineville dark gray, fine grain, compact, bituminous
14LB47 United States Kentucky Limestone Pineville drab, fine grain, compact
8RA31 United States Kentucky Sandstone Pineville light blue gray, fine grain, compact
14RB40 United States Ohio Limestone Piqua dark, mottled, fine grain, compact, Upper Silurian
13LA11 United States Ohio Limestone Piqua River light gray, fine grain, compact, magnesian
5LB31 United States Colorado Quartzite Pitkin white, very fine, compact
13RB26 United States Colorado Limestone Pitkin black, fine grain, compact
9LA4 United States Colorado Limestone Pitkin dark, white-mottled, fine grain, compact
8Lb46 United States Washington Sandstone Pittsburgh light gray, medium grain, compact, micaceous
9LB18 United States Pennsylvania Sandstone Pittsburgh
14RB19 United States Vermont Marble Pittsford white, fine grain, Lower Silurian, calcite
14RB2 United States Vermont Marble Pittsford pale gray, dark-spotted, medium grain, magnesian, Lower Silurian
S2-135 United States Vermont Marble Pittsford gray, medium-grain calcite marble, Pittsford Italian
13RB1 United States Vermont Marble Pittsford pale gray, dark veined, medium grain, magnesian, Lower Silurian
6LB1 United States Pennsylvania Sandstone Plains dark-brown, banded, fine grain, compact, Devonian
5LA32 United States Colorado Granite Platte Canon light red, coarse grain, biotite
S2-139 United States New York Marble Plattsburg gray, coarse-grain calcite marble, French Gray
11LA21 United States Missouri Limestone Pleasant Hill gray, fine grain, compact, carboniferous
12LA22 United States Missouri Limestone Pleasant Hill dark gray, medium grain, compact, carboniferous, fossiliferous
6LA43 United States New Jersey Sandstone Pleasant Val. brown, fine grain, porous, Triassic
7LB39 United States New Jersey Sandstone Pleasant Val. brown, fine grain, porous, Triassic
11LB3 United States New York Marble Pleasantville white, coarse grain, Archaen, magnesian, Snowflake Marble
10LB45 United States New Hampshire Granite Plymouth gray, medium grain, biotite
5LA18 United States Ohio Sandstone Plymouth light gray, fine grain, porous, Lower carboniferous
13LA8 United States Pennsylvania Dolomite Plymouth light drab, fine grain, compact, Lower Silurian
5RA22 United States North Carolina Granite Poison Springs gray, medium grain, biotite
5RA17 United States New Jersey Granite Pompton Jct. pink and green, coarse grain, pegmatite, Pompton Pink
5LB41 United States New Jersey Granite Pompton Jct. pink and green, coarse grain, pegmatite, Pompton Pink
9LA20 United States Pennsylvania Sandstone Pond Eddy dark blue gray, fine grain, compact, Devonian
8RA1 Portugal Marble Ponde do Espinal, Coimbra light gray, fine grain, cellular
13LB41 United States South Carolina Marble Poor Mountain grayish-white, coarse grain
13LB38 United States New York Marble Port Henry gray, green-spotted, coarse grain, calcareous, serpentine
6LA46 United States Michigan Sandstone Portage Entry Red, fine grain, porous
21EE United States New York Sandstone Portageville bluish-gray, fine-grain, compact, Genesee Valley Bluestone
8RB35 United States Connecticut Sandstone Portland purplish-brown, medium grain, porous, muscovite, Triassic
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
7La2 Portugal Limestone Porto Barrao, Coimbra drab and gray, fine grain, compact, argillaceous
8LA20 United States Ohio Sandstone Portsmouth lightdrab, fine grain, porous, Lower carboniferous, freestone
7Lb19 United States Ohio Sandstone Portsmouth brownish-gray, fine grain, porous, Lower carboniferous
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
S2-26 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
S2-27 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
20EE 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
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
23WE United States Maryland Schist Potomac varicolored chlorite schist, Stonyhurst
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
S2-36 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
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
S2-42 United States Maryland Schist Potomac Varicolored chlorite, some with cleavage horizontal, some with cleavage vertical