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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
6RA8 United States Pennsylvania Sandstone Homewood brown, coarse grain, porous, carboniferous
9RA17 United States Pennsylvania Argillite (Slate) Lynnport dark gray, fine grain, slate
6La8 United States Pennsylvania Sandstone Altoona buff, gray-streaked, fine grain, compact, Lower carboniferous
14LB9 United States Pennsylvania Limestone Flourtown light yellow, blue-spotted, fine grain, compact, Lower Silurian
7La14 United States Pennsylvania Limestone Wernersville water-blue, dark-veined, fine grain, compact, crystalline, Lower Silurian
9LA19 United States Pennsylvania Sandstone Curwensville buff-tinted, coarse grain, porous
6RA9 United States Pennsylvania Sandstone Garland yellow, coarse grain, porous, carboniferous
9RA18 United States Pennsylvania Sandstone Meadville buff, coarse grain, porous, friable, carboniferous
S1-50 United States Pennsylvania Sandstone Wyoming dark-gray, fine-grain, compact
6La9 United States Pennsylvania Sandstone Waynesburgh buff, coarse grain, porous, carboniferous
7La15 United States Pennsylvania Limestone Lebanon dark blue gray, fine grain, compact, Lower Silurian
10RA11 United States Pennsylvania Dolomite York black, fine grain, compact, calcareous, Lower Silurian
14La10 United States Pennsylvania Dolomite Kerberburgh light yellow, fine grain, compact, Lower Silurian
6RB1 United States Pennsylvania Quartzite Huntingdon light gray, fine grain
14RB9 United States Pennsylvania Dolomite Chambersburg blue-black, fine grain, compact, calcareous, Lower Silurian
9RA19 United States Pennsylvania Sandstone Franklin greenish-gray, fine grain, porous, Sub-carboniferous
6LB1 United States Pennsylvania Sandstone Plains dark-brown, banded, fine grain, compact, Devonian
7La16 United States Pennsylvania Limestone Lebanon dark blue gray, fine grain, compact, Lower Silurian
6LB4 United States Pennsylvania Sandstone Schickshinny Luzerne Co. dark gray, coarse grain, compact, carboniferous
9LA20 United States Pennsylvania Sandstone Pond Eddy dark blue gray, fine grain, compact, Devonian
6RB10 United States Pennsylvania Diabase St. Peters dark gray, medium grain, compact, St Peters Granite
6LB10 United States Pennsylvania Sandstone Wampum brown, fine-grain, compact Carboniferous
11RA8 United States Pennsylvania Limestone Cove Statioan Bedford Co. gray, coarse grain, compact, magnesian, crystalline, Devonian
7LA17 United States Pennsylvania Argillite (Slate) Slatington blue-black, fine grain, roofing and tile slate
6RB11 United States Pennsylvania Conglomerate Pottsville brown and gray, coarse, compact, siliceous
9RA20 United States Pennsylvania Sandstone Uniontown buff, fine grain, porous, Sub-carboniferous
6LB11 United States Pennsylvania Sandstone Sharon buff, coarse grain, porous, carboniferous
14RA10 United States Pennsylvania Dolomite Mill Lane Chester Co. light gray, fine grain, compact, Lower Silurian
12LB9 United States Pennsylvania Marble Avondale cut from same block as 11LB9, white, medium grain, dolomitic
3EE United States Pennsylvania Sandstone Curwensville buff, coarse-grain, compact
7La18 United States Pennsylvania Quartzite Mapleton light gray, fine grain, compact, Upper Silurian
6RB12 United States Pennsylvania Conglomerate Pikesville reddish-gray, compact, conglomerate
6LB12 United States Pennsylvania Sandstone Norristown reddish-brown, coarse, porous, Triassic
6RB13 United States Pennsylvania Conglomerate Friedensburg dark purple, coarse grain, porous, siliceous, Potsdam
6LB13 United States Pennsylvania Sandstone Beaver Falls light gray, coarse grain, porous, carboniferous
6RB14 United States Pennsylvania Diabase Reading nearly black, fine grain
6LB14 United States Pennsylvania Diabase Collins Station Lancaster Co. dark gray, fine grain, Mesozoic
6LB15 United States Pennsylvania Argillite (Slate) Slatington blue-black, fine grain, roofing and tile slate
12RA10 United States Pennsylvania Marble Wrightsville nearly white, fine grain, dolomitic, Lower Silurian
6RB15 United States Pennsylvania Argillite (Slate) Bangor blue-black, fine grain, roofing slate
6RB4 United States Pennsylvania Sandstone Center Bridge gray, rust-spotted, coarse grain, compact, Triassic
3WE United States Pennsylvania Sandstone Curwensville buff, coarse-grain, compact
13RB36 United States Pennsylvania Limestone N. Annville darka blue gray, fine grain, compact, Lower Silurian
6LB16 United States Pennsylvania Diabase Gettysburg gray, fine grain
6RA3 United States Pennsylvania Sandstone Hummelstown brownish-purple, coarse grain, porous, Triassic
7RB16 United States Pennsylvania Soapstone Montgomery Co. gray, dark-mottled, coarse grain, compact
6LA3 United States Pennsylvania Sandstone Wampum light gray, medium grain, porous, carboniferous
6RB16 United States Pennsylvania Diabase Round Top Gettysburg gray, fine grain, porous, Mesozoic
12RB31 United States Pennsylvania Marble Morristown white, fine grain, Lower Silurian
12RB32 United States Pennsylvania Limestone Huntingdon nearly black, fine grain, compact
13RB37 United States Pennsylvania Limestone Myerstown blue gray, fine grain, compact, Lower Silurian
6LB17 United States Pennsylvania Granite Allentown gray, red-spotted, medium grain, hornblende-biotite
7RB17 United States Pennsylvania Gneiss Reading gray, coarse grain
13RA8 United States Pennsylvania Dolomite Valley Branch Chester Co. bluish-drab, fine grain, compact
6RB17 United States Pennsylvania Gneiss Philadelphia dark gray, fine grain, biotite
13LA8 United States Pennsylvania Dolomite Plymouth light drab, fine grain, compact, Lower Silurian
8LB17 United States Pennsylvania Limestone Richland Station Lebanon Co. blue gray, fine grain, compact, crystalline, Lower Silurian
6LB18 United States Pennsylvania Gneiss Philadelphia dark gray, fine grain, hornblende
10La8 United States Pennsylvania Dolomite Easton nearly black, fine grain, compact, Lower Silurian
7RB18 United States Pennsylvania Granite Siesholtzville gray-mottled, fine grain, hornblende-biotite
8RB17 United States Pennsylvania Limestone Mertztown dark blue gray, medium grain, compact, Lower Silurian
6RB18 United States Pennsylvania Gneiss Chester light gray, fine grain, garnet, biotite-muscovite
8Lb18 United States Pennsylvania Serpentine W. Chester green, coarse grain, impure
6Lb19 United States Pennsylvania Diabase Jacksonwald dark gray, fine grain
8RB18 United States Pennsylvania Sandstone Fayette Station Fayette Co. light Pinkish-buff, coarse grain, porous
6Lb5 United States Pennsylvania Sandstone Nicholson light blue gray, fine grain, compact, Devonian
8Lb19 United States Pennsylvania Diorite Reading black and white-spotted, coarse grain, slightly porous
6LB2 United States Pennsylvania Sandstone Mauch Chunk gray, coarse grain, compact, carboniferous
9Lb17 United States Pennsylvania Sandstone Homewood buff, coarse grain, porous, carboniferous
13LB39 United States Pennsylvania Limestone Paxton Station Dauphin Co. dark blue gray, fine grain, compact, Lower Silurian
11LA7 United States Pennsylvania Marble Cedar Hollow Lime Co. light gray, fine grain, magnesian, Lower Silurian
8RB19 United States Pennsylvania Sandstone Corry light gray, fine grain, compact, Sub-carboniferous
6LB6 United States Pennsylvania Sandstone Prospect gray, fine grain, compact, carboniferous
12RB10 United States Pennsylvania Dolomite Williams's Station Berk's Co. light yellow, fine grain, compact, Lower Silurian
5WE United States Pennsylvania Sandstone Elwood buff, coarse-grain, compact
9LB18 United States Pennsylvania Sandstone Pittsburgh
6LB7 United States Pennsylvania Sandstone Yardleyville light brown, medium grain, porous, Triassic
9Lb19 United States Pennsylvania Argillite (Slate) Chapman's Station blue-black, fine grain, banded roofing slate
9RB18 United States Pennsylvania Sandstone Scottsdale brown-banded, fine grain, compact, carboniferous
S1-34 United States Pennsylvania Sandstone Curwensville buff, coarse-grain, compact
6LB8 United States Pennsylvania Sandstone Webster brownish-gray, banded, fine grain, carboniferous
7LB17 United States Pennsylvania Gneiss Chester dark gray, fine grain, biotite
4WE United States Pennsylvania Sandstone Elwood buff, coarse-grain, compact
14LA9 United States Pennsylvania Limestone Spruce Creek Huntingdon Co. black, fine grain, compact, magnesian, Lower Silurian
9RB19 United States Pennsylvania Sandstone Erie drab, fine grain, compact, Devonian
14LB38 United States Pennsylvania Limestone Palmyra darak blue gray, fine grain, compact, Lower Silurian
6LB9 United States Pennsylvania Sandstone Baden gray, rust-spotted, coarse, porous, carboniferous
6RB5 United States Pennsylvania Sandstone Greenville light olive, fine grain, porous, carboniferous
7Lb18 United States Pennsylvania Gneiss Chester gray, coarse grain, biotite
9Lb20 United States Pennsylvania Conglomerate Fairfield red and gray, calcareous, conglomerate
6RB19 United States Pennsylvania Diabase Reading dark gray, coarse grain
14LB39 United States Pennsylvania Limestone Hyndman black, fine grain, compact
11RB8 United States Pennsylvania Dolomite Carlisle black, fine grain, compact, Lower Sil, calcareous
6RB6 United States Pennsylvania Sandstone Center Bridge purplish-gray, fine grain, compact, Triassic
14LB10 United States Pennsylvania Marble York pink and white, fine grain, compact, magnesian, Lower Silurian
14RB38 United States Pennsylvania Marble Pine Grove Schuylkill Co. dark gray, mottled, fine grain, Lower Silurian
6RB2 United States Pennsylvania Sandstone Franklin gray, fine grain, porous, Sub-carboniferous
14RA9 United States Pennsylvania Limestone Vanport dark gray, coarse grain, compact, fossiliferous, magnesian, carboniferous
6RB7 United States Pennsylvania Sandstone Cannonsburgh light gray, fine grain, porous, carboniferous
14RB39 United States Pennsylvania Marble Amityville brown and gray, coarse, calcareous, breccia