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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
10LB48 United States Rhode Island Granite West Greenwich light pink, coarse grain, biotite
5RA46 United States Rhode Island Granite Niantic gray, fine grain, biotite
10RB47 United States Rhode Island Granite West Greenwich light pink, coarse grain, biotite
5La46 United States Rhode Island Granite Westerly pink, fine grain, biotite
6RA7 United States Pennsylvania Sandstone Derry Station Westmorland Co. bluish-gray, fine grain, compact, carboniferous
6RB9 United States Pennsylvania Serpentine Chester green, coarse grain, impure
6La7 United States Pennsylvania Sandstone Meshoppen blue gray, fine grain, compact, Devonian
10R51 United States Pennsylvania Argillite (Slate) Lynnport cut from same block as 10LB18, dark gray, fine grain, slate
6RA8 United States Pennsylvania Sandstone Homewood brown, coarse grain, porous, carboniferous
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
S1-40 United States Pennsylvania Sandstone Wyoming dark-gray, fine-grain, compact
6RA9 United States Pennsylvania Sandstone Garland yellow, coarse grain, porous, carboniferous
6La9 United States Pennsylvania Sandstone Waynesburgh buff, coarse grain, porous, carboniferous
S1-41 United States Pennsylvania Sandstone Wyoming dark-gray, fine-grain, compact
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
6LB1 United States Pennsylvania Sandstone Plains dark-brown, banded, fine grain, compact, Devonian
S1-42 United States Pennsylvania Sandstone Wyoming dark-gray, fine-grain, compact
6LB4 United States Pennsylvania Sandstone Schickshinny Luzerne Co. dark gray, coarse grain, compact, carboniferous
6RB10 United States Pennsylvania Diabase St. Peters dark gray, medium grain, compact, St Peters Granite
11RA8 United States Pennsylvania Limestone Cove Statioan Bedford Co. gray, coarse grain, compact, magnesian, crystalline, Devonian
6LB10 United States Pennsylvania Sandstone Wampum brown, fine-grain, compact Carboniferous
6RB11 United States Pennsylvania Conglomerate Pottsville brown and gray, coarse, compact, siliceous
12LB9 United States Pennsylvania Marble Avondale cut from same block as 11LB9, white, medium grain, dolomitic
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
7RA13 United States Pennsylvania Limestone Harrisburg dark blue gray, white-veined, fine grain, compact, Lower Silurian
3EE United States Pennsylvania Sandstone Curwensville buff, coarse-grain, compact
6RB12 United States Pennsylvania Conglomerate Pikesville reddish-gray, compact, conglomerate
6LB12 United States Pennsylvania Sandstone Norristown reddish-brown, coarse, porous, Triassic
7RA14 United States Pennsylvania Limestone Connellsville light blue, medium grain, compact, Lower carboniferous
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
7RA15 United States Pennsylvania Limestone Lebanon nearly black, fine-banded, fine grain, compact, Lower Silurian
6RB14 United States Pennsylvania Diabase Reading nearly black, fine grain
8La18 United States Pennsylvania Argillite (Slate) Bangor blue-black, fine grain, roofing slate
6LB14 United States Pennsylvania Diabase Collins Station Lancaster Co. dark gray, fine grain, Mesozoic
6RB3 United States Pennsylvania Sandstone Kiasola Station Beaver Co. gray, coarse grain, porous, carboniferous
7RA16 United States Pennsylvania Limestone Wernersville dark blue gray, fine grain, compact, crystalline, Lower Silurian
6RB15 United States Pennsylvania Argillite (Slate) Bangor blue-black, fine grain, roofing slate
8La19 United States Pennsylvania Diabase Goldsboro gray, fine grain
3WE United States Pennsylvania Sandstone Curwensville buff, coarse-grain, compact
12RA10 United States Pennsylvania Marble Wrightsville nearly white, fine grain, dolomitic, Lower Silurian
6LB15 United States Pennsylvania Argillite (Slate) Slatington blue-black, fine grain, roofing and tile slate
7RA17 United States Pennsylvania Argillite (Slate) Slatedale blue-black, fine grain, roofing and tile slate
S1-48 United States Pennsylvania Sandstone Wyoming dark-gray, fine-grain, compact
8RA19 United States Pennsylvania Sandstone Lumberton light Brownish-purple, fine grain, compact, Triassic
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
7La12 United States Pennsylvania Limestone Hummelstown blue, fine grain, compact, Lower Silurian
9La17 United States Pennsylvania Sandstone Schickshinny Luzerne Co. blue gray, fine grain, compact, carboniferous
12RB31 United States Pennsylvania Marble Morristown white, fine grain, Lower Silurian
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
7RA18 United States Pennsylvania Sandstone Leboeuf light brown, medium grain, compact, Devonian
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
7La13 United States Pennsylvania Limestone East Conshohocken blue gray, medium grain, compact, micaceous, Lower Silurian
9LA18 United States Pennsylvania Sandstone Antrim light gray, coarse, cellular, carboniferous
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
9RA17 United States Pennsylvania Argillite (Slate) Lynnport dark gray, fine grain, slate
S1-50 United States Pennsylvania Sandstone Wyoming dark-gray, fine-grain, compact
10La8 United States Pennsylvania Dolomite Easton nearly black, fine grain, compact, Lower Silurian
6RB18 United States Pennsylvania Gneiss Chester light gray, fine grain, garnet, biotite-muscovite
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
13LA8 United States Pennsylvania Dolomite Plymouth light drab, fine grain, compact, Lower Silurian
6LB18 United States Pennsylvania Gneiss Philadelphia dark gray, fine grain, hornblende
9RA18 United States Pennsylvania Sandstone Meadville buff, coarse grain, porous, friable, carboniferous
9RA19 United States Pennsylvania Sandstone Franklin greenish-gray, fine grain, porous, Sub-carboniferous
6Lb5 United States Pennsylvania Sandstone Nicholson light blue gray, fine grain, compact, Devonian
7La15 United States Pennsylvania Limestone Lebanon dark blue gray, fine grain, compact, Lower Silurian
6Lb19 United States Pennsylvania Diabase Jacksonwald dark gray, fine grain
11LA7 United States Pennsylvania Marble Cedar Hollow Lime Co. light gray, fine grain, magnesian, Lower Silurian
13LB39 United States Pennsylvania Limestone Paxton Station Dauphin Co. dark blue gray, fine grain, compact, Lower Silurian
12RB10 United States Pennsylvania Dolomite Williams's Station Berk's Co. light yellow, fine grain, compact, Lower Silurian
6LB6 United States Pennsylvania Sandstone Prospect gray, fine grain, compact, carboniferous
7La16 United States Pennsylvania Limestone Lebanon dark blue gray, fine grain, compact, Lower Silurian
9LA20 United States Pennsylvania Sandstone Pond Eddy dark blue gray, fine grain, compact, Devonian
6LB2 United States Pennsylvania Sandstone Mauch Chunk gray, coarse grain, compact, carboniferous
9RA20 United States Pennsylvania Sandstone Uniontown buff, fine grain, porous, Sub-carboniferous
6LB7 United States Pennsylvania Sandstone Yardleyville light brown, medium grain, porous, Triassic
7LA17 United States Pennsylvania Argillite (Slate) Slatington blue-black, fine grain, roofing and tile slate
5WE United States Pennsylvania Sandstone Elwood buff, coarse-grain, compact
6LB8 United States Pennsylvania Sandstone Webster brownish-gray, banded, fine grain, carboniferous
7La18 United States Pennsylvania Quartzite Mapleton light gray, fine grain, compact, Upper Silurian
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
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
11RB8 United States Pennsylvania Dolomite Carlisle black, fine grain, compact, Lower Sil, calcareous
14LB39 United States Pennsylvania Limestone Hyndman black, fine grain, compact
6RB4 United States Pennsylvania Sandstone Center Bridge gray, rust-spotted, coarse grain, compact, Triassic
14RA9 United States Pennsylvania Limestone Vanport dark gray, coarse grain, compact, fossiliferous, magnesian, carboniferous