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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
6LA44 United States New Hampshire Granite Troy light gray, fine grain, muscovite-biotite
6La45 United States Michigan Argillite (Slate) Arvon blue-black, smooth texture slate
6LA46 United States Michigan Sandstone Portage Entry Red, fine grain, porous
6LA47 United States Louisiana Sandstone Unknown pinkish, medium-gr, porous
6LA5 United States Pennsylvania Sandstone Scranton gray, medium grain, porous, Sub-carboniferous
6LA6 United States Pennsylvania Sandstone Scottsdale brown-banded, fine grain, compact, carboniferous
6La7 United States Pennsylvania Sandstone Meshoppen blue gray, fine grain, compact, Devonian
6La8 United States Pennsylvania Sandstone Altoona buff, gray-streaked, fine grain, compact, Lower carboniferous
6La9 United States Pennsylvania Sandstone Waynesburgh buff, coarse grain, porous, carboniferous
6LB1 United States Pennsylvania Sandstone Plains dark-brown, banded, fine grain, compact, Devonian
6LB10 United States Pennsylvania Sandstone Wampum brown, fine-grain, compact Carboniferous
6LB11 United States Pennsylvania Sandstone Sharon buff, coarse grain, porous, carboniferous
6LB12 United States Pennsylvania Sandstone Norristown reddish-brown, coarse, porous, Triassic
6LB13 United States Pennsylvania Sandstone Beaver Falls light gray, coarse grain, porous, carboniferous
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
6LB16 United States Pennsylvania Diabase Gettysburg gray, fine grain
6LB17 United States Pennsylvania Granite Allentown gray, red-spotted, medium grain, hornblende-biotite
6LB18 United States Pennsylvania Gneiss Philadelphia dark gray, fine grain, hornblende
6Lb19 United States Pennsylvania Diabase Jacksonwald dark gray, fine grain
6LB2 United States Pennsylvania Sandstone Mauch Chunk gray, coarse grain, compact, carboniferous
6LB20 United States Ohio Sandstone Sunbury light gray, fine grain, porous, Lower carboniferous
6LB21 United States Ohio Sandstone Millersburg gray, coarse grain, porous, carboniferous
6LB22 United States Massachusetts Gneiss W. Andover gray
6LB23 United States North Carolina Gneiss Mooresville Red, yellow-mottled, fine grain
6LB24 United States North Carolina Granite Charlotte gray, coarse grain, biotite
6LB25 United States Maine Granite Williamantic gray, coarse grain, biotite
6LB26 United States Maine Granite Waldoborough gray, fine grain, biotite
6LB27 United States Maine Granite Frankfort gray, coarse grain, biotite
6LB28 United States New York Sandstone Mt. Pleasant blue gray, fine grain, compact, Devonian
6LB29 United States New York Gneiss Hastings dark gray, white-banded, fine grain, biotite
6LB3 United States Pennsylvania Sandstone Oil City buff, fine grain, porous, carboniferous
6LB30 United States Kentucky Sandstone Cloveport buff, fine grain, porous, Lower carboniferous
6LB31 United States California Sandstone San Jose pink, medium grain, compact
6LB32 United States Texas Granite Burnet Red, coarse grain, biotite
6LB33 United States Colorado Sandstone Buckhorn pale-pink, fine grain, compact
6LB34 United States Minnesota Granite E. St. Cloud gray, fine grain, hornblende
6LB35 United States Minnesota Diabase Two Harbor Bay nearly black, fine grain
6LB36 United States Connecticut Granite E. Canaan gray, fine grain, porphyritic biotite
6Lb37 United States Connecticut Granite Branchville gray, coarse grain, biotite
6LB38 Mexico Tuff Morelos State light reddish-brown, fine grain, compact
6LB39 United States Ohio Sandstone Youngstown gray, coarse grain, porous, carboniferous
6LB4 United States Pennsylvania Sandstone Schickshinny Luzerne Co. dark gray, coarse grain, compact, carboniferous
6LB40 United States Maryland Granite Woodstock gray, medium grain, biotite
6LB41 United States South Carolina Granite Edgefield Co. gray, fine grain, biotite
6LB42 United States New Jersey Sandstone Stockton light gray, rust-spotted, medium grain, compact, Triassic
6LB43 United States New Jersey Diabase Lambertville dark gray, fine grain
6LB44 United States New Hampshire Granite Troy gray, fine grain, muscovite-biotite
6LB45 United States Vermont Granite Brattleboro light gray, fine grain, biotite
6LB46 United States Vermont Granite Bethel white, medium grain, muscovite
6LB47 United States Louisiana Quartzite Unknown drab, white-dotted, fine grain, compact
6Lb5 United States Pennsylvania Sandstone Nicholson light blue gray, fine grain, compact, Devonian
6LB6 United States Pennsylvania Sandstone Prospect gray, fine grain, compact, carboniferous
6LB7 United States Pennsylvania Sandstone Yardleyville light brown, medium grain, porous, Triassic
6LB8 United States Pennsylvania Sandstone Webster brownish-gray, banded, fine grain, carboniferous
6LB9 United States Pennsylvania Sandstone Baden gray, rust-spotted, coarse, porous, carboniferous
6LQ United States Georgia Marble Tate bluish-gray, coarse grain, calcite, Cherokee
6R48 United States North Carolina Sandstone Raleigh cut from same block as No 6L48, brownish-gray, coarse grain, porous
6RA1 United States Pennsylvania Sandstone Mainesburgh blue gray, fine grain, compact, Devonian
6RA10 United States Pennsylvania Sandstone Johnstown light gray, fine grain, compact, carboniferous
6RA11 United States Pennsylvania Sandstone Layton Station Fayette Co. light gray, medium grain, porous, carboniferous
6RA12 United States Pennsylvania Sandstone Lucesco gray, dark-streaked, medium grain, compact, carboniferous
6RA13 United States Pennsylvania Sandstone Goldsboro purplish-brown, medium grain, compact, Triassic
6RA14 United States Pennsylvania Sandstone Fuller buff, coarse grain, porous, carboniferous
6RA15 United States Pennsylvania Sandstone Connellsville green-tinted, brown, coarse, porous, carboniferous
6RA16 United States Pennsylvania Sandstone Goldsboro purplish-brown, medium grain, porous, Triassic
6RA17 United States Pennsylvania Sandstone Greensburgh gray, fine grain, compact, carboniferous
6RA18 United States Pennsylvania Sandstone Danville dark blue gray, fine grain, compact, Upper Silurian
6RA19 United States Pennsylvania Quartzite Jacksonwald light gray, fine grain, compact
6RA2 United States Pennsylvania Sandstone Columbia blue-drab, fine grain, compact, argillaceous, Lower Silurian
6RA20 United States Ohio Sandstone Lancaster light gray, coarse, friable, Lower carboniferous
6RA21 United States Ohio Sandstone Ridgeville buff, medium grain, porous, Lower carboniferous
6RA22 United States Massachusetts Granite W. Quincy dark gray, coarse grain, hornblende
6RA23 United States North Carolina Granite Salisbury pinkish-gray, coarse grain, biotite
6RA24 United States North Carolina Granite Salisbury brownish-gray, medium grain, biotite
6RA25 United States Maine Gneiss Turner dark gray, medium grain, biotite
6RA26 United States Maine Granite Chesterville gray, fine grain, biotite
6RA27 United States Maine Granite Brunswick gray, coarse grain, biotite
6RA28 United States New York Sandstone Belfast drab, medium grain, compact
6RA29 United States New York Sandstone Albion brownish-purple, fine grain, compact, Upper Silurian
6RA3 United States Pennsylvania Sandstone Hummelstown brownish-purple, coarse grain, porous, Triassic
6RA30 United States Kentucky Sandstone Whitney Co. light blue gray, fine grain, porous
6RA31 United States California Sandstone Haywards brown, medium grain, porous
6RA32 United States Texas Diorite El Paso light greenish-gray, medium grain
6RA33 United States Colorado Sandstone Greeley light red, laminated, fine grain, compact
6RA34 United States Minnesota Granite E. St. Cloud dark gray, coarse grain, hornblende
6RA35 United States Connecticut Granite Millstone Point gray, fine grain, biotite
6RA36 United States Connecticut Gneiss Gastonbury gray, fine grain, biotite
6RA37 Mexico Tuff Zacatecas State pinkish, fine grain, compact, rhyolite
6RA38 United States North Carolina Granite Gaston Co. gray, coarse grain, biotite
6RA39 United States Massachusetts Granite N. Easton pinkish, coarse grain, biotite
6RA4 United States Pennsylvania Sandstone Connellsville light gray, fine grain, porous, carboniferous
6RA40 United States Maryland Gneiss Ellicott City dark gray, coarse grain
6RA41 United States Maryland Argillite (Slate) Nr. Cardiff blue-black, medium coarse texture, roofing
6RA42 United States New Jersey Sandstone Martinville drab, fine grain, compact, Triassic
6RA43 United States New Hampshire Gneiss Petersborough gray, medium grain, muscovite-biotite
6RA44 United States New Hampshire Granite Milford light gray, fine grain, biotite
6RA45 United States Vermont Granite Newark pink, coarse grain, biotite
6RA46 United States Michigan Gneiss Vulcan dark gray, fine grain, biotite
6RA47 United States Wisconsin Quartzite Waterloo gray, coarse grain, compact, paving stone