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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
6RA5 United States Pennsylvania Sandstone Mauch Chunk dark gray, fine grain, compact
6RA6 United States Pennsylvania Sandstone Farrandsville buff, fine grain, porous, Devonian
6RA7 United States Pennsylvania Sandstone Derry Station Westmorland Co. bluish-gray, fine grain, compact, carboniferous
6RA8 United States Pennsylvania Sandstone Homewood brown, coarse grain, porous, carboniferous
6RA9 United States Pennsylvania Sandstone Garland yellow, coarse grain, porous, carboniferous
6RB1 United States Pennsylvania Quartzite Huntingdon light gray, fine grain
6RB10 United States Pennsylvania Diabase St. Peters dark gray, medium grain, compact, St Peters Granite
6RB11 United States Pennsylvania Conglomerate Pottsville brown and gray, coarse, compact, siliceous
6RB12 United States Pennsylvania Conglomerate Pikesville reddish-gray, compact, conglomerate
6RB13 United States Pennsylvania Conglomerate Friedensburg dark purple, coarse grain, porous, siliceous, Potsdam
6RB14 United States Pennsylvania Diabase Reading nearly black, fine grain
6RB15 United States Pennsylvania Argillite (Slate) Bangor blue-black, fine grain, roofing slate
6RB16 United States Pennsylvania Diabase Round Top Gettysburg gray, fine grain, porous, Mesozoic
6RB17 United States Pennsylvania Gneiss Philadelphia dark gray, fine grain, biotite
6RB18 United States Pennsylvania Gneiss Chester light gray, fine grain, garnet, biotite-muscovite
6RB19 United States Pennsylvania Diabase Reading dark gray, coarse grain
6RB2 United States Pennsylvania Sandstone Franklin gray, fine grain, porous, Sub-carboniferous
6RB20 United States Ohio Sandstone Amherst light gray, fine grain, porous, Lower carboniferous
6RB21 United States Ohio Sandstone Marietta buff, coarse grain, porous, carboniferous
6RB22 United States Massachusetts Granite Rockport dark gray, coarse grain, hornblende
6RB23 United States North Carolina Granite Mt. Airy yellowish-gray, medium grain, biotite
6RB24 United States North Carolina Granite Salisbury light gray, fine grain, Archaean, biotite
6RB25 United States Maine Granite Calais pinkish-gray, medium grain, biotite
6RB26 United States Maine Granite Bryant's Pond dark gray, medium grain, biotite
6RB27 United States Maine Granite Franklin gray, coarse grain, biotite
6RB28 United States New York Sandstone Canisteo light gray, fine grain, compact, Devonian
6RB29 United States Kentucky Sandstone Kirkmansville yellowish, medium grain, porous
6RB3 United States Pennsylvania Sandstone Kiasola Station Beaver Co. gray, coarse grain, porous, carboniferous
6RB30 United States California Sandstone Alameda light brown, coarse grain, porous
6RB31 United States Texas Granite Nr. Llano gray, coarse grain, biotite
6rb32 United States Colorado Granite Georgetown gray, medium grain, Porphyritic, biotite
6rb33 United States Colorado Tuff Castle rock light gray, fine grain, rhyolite
6RB34 United States Minnesota Granite Watab Red, coarse grain, hornblende
6RB35 United States Connecticut Gneiss Ansonia gray, fine grain, compact, muscovite-biotite
6RB36 United States Connecticut Granite Thomaston gray, fine grain, biotite-muscovite
6RB37 Mexico Tuff Oaxaca State brown, white-mottled, fine grain, porous
6RB38 Mexico Tuff Huehutoca Red, coarse grain, rhyolite
6RB39 United States Ohio Sandstone Sunbury light gray, fine grain, porous, Lower carboniferous
6RB4 United States Pennsylvania Sandstone Center Bridge gray, rust-spotted, coarse grain, compact, Triassic
6RB40 United States Maryland Gneiss Mt. Royal light gray, fine grain, biotite
6RB41 United States Maryland Serpentine Dublin Borough dark and light-green, variegated
6RB42 United States South Carolina Granite Batesburg dark gray, medium grain, biotite
6RB43 United States New Jersey Diabase Rocky Hill dark gray, very fine grain
6RB44 United States New Hampshire Granite Keene light gray, fine grain, biotite-muscovite
6RB45 United States Vermont Granite Brunswick gray, fine grain, biotite
6RB46 United States Vermont Granite Barre light gray, fine grain, biotite
6RB47 United States Vermont Granite Ryegate gray, fine grain, biotite-muscovite
6RB5 United States Pennsylvania Sandstone Greenville light olive, fine grain, porous, carboniferous
6RB6 United States Pennsylvania Sandstone Center Bridge purplish-gray, fine grain, compact, Triassic
6RB7 United States Pennsylvania Sandstone Cannonsburgh light gray, fine grain, porous, carboniferous
6RB8 United States Pennsylvania Sandstone Black Walnut light blue gray, fine grain, porous, Devonian
6RB9 United States Pennsylvania Serpentine Chester green, coarse grain, impure
6RQ United States Ohio Sandstone McDermont light gray, fine grain, porous
6WE United States Ohio Sandstone Amherst gray, medium-grain, porous
7B United States Maine Granite High Pine pink, coarse grain, biotite, Swenson Pink
7C United States Indiana Limestone Bloomington gray and buff, medium grain, porous, oolitic, variegated
7EE United States Ohio Sandstone McDermott buff, fine-grain, porous
7L20 United States Ohio Sandstone Glenmont buff, medium grain, Briar Hill
7LA1 Australia Marble South Australia buff and gray mottled, medium grain
7LA10 United States Florida Limestone Key West nearly white, porous, friable, oolitic
7LA11 United States Georgia Marble Tate pink, coarsely-crystalline, Lower Silurianower calcite
7La12 United States Pennsylvania Limestone Hummelstown blue, fine grain, compact, Lower Silurian
7La13 United States Pennsylvania Limestone East Conshohocken blue gray, medium grain, compact, micaceous, Lower Silurian
7La14 United States Pennsylvania Limestone Wernersville water-blue, dark-veined, fine grain, compact, crystalline, Lower Silurian
7La15 United States Pennsylvania Limestone Lebanon dark blue gray, fine grain, compact, Lower Silurian
7La16 United States Pennsylvania Limestone Lebanon dark blue gray, fine grain, compact, Lower Silurian
7LA17 United States Pennsylvania Argillite (Slate) Slatington blue-black, fine grain, roofing and tile slate
7La18 United States Pennsylvania Quartzite Mapleton light gray, fine grain, compact, Upper Silurian
7LA19 United States Ohio Sandstone Akron buff, coarse grain, fine grain, porous, carboniferous
7La2 Portugal Limestone Porto Barrao, Coimbra drab and gray, fine grain, compact, argillaceous
7LA21 United States North Carolina Granite Alamance Co. gray, fine grain, biotite-muscovite
7LA22 United States North Carolina Granite Asheville light gray, fine grain, biotite
7LA23 United States North Carolina Granite Buckhorn Falls light gray, green-spotted, medium grain, biotite
7LA24 United States Maine Granite Round Pond gray, fine grain, biotite
7LA25 United States Maine Granite Vinal Haven gray, fine grain, biotite
7La26 United States New York Sandstone Oneonta blue gray, fine grain, compact, Devonian
7La27 United States New York Sandstone Hallihan's Hill dark blue gray, fine grain, compact, Devonian
7LA28 United States Kentucky Sandstone Grayson Spgs light gray, fine grain, porous
7LA29 United States California Sandstone Livermore gray, fine grain, compact
7LA3 Hungary Limestone Oszlopp buff-variegated, medium grain, compact, fossiliferous
7La30 United States Texas Sandstone Pecos Red, fine grain, compact
7LA31 United States Colorado Sandstone Fort Collins light gray, rust-spotted, fine grain, porous, cretaceous
7La32 United States Minnesota Sandstone Hinckley yellowish-pink, fine grain, porous
7La33 United States Connecticut Sandstone Cromwell purplish-brown, medium grain, porous, muscovite, Triassic
7LA34 Scotland Sandstone Beauty, Rose
7LA35 United States Missouri Granite Iron Co. Red, medium grain, biotite
7LA36 United States Arizona Tuff Kirkland gray, fine grain, volcanic tuff
7LA37 United States Maryland Serpentine Deer Creek dark-green, fine grain, compact
7LA38 United States Maryland Serpentine Baltimore dark-green, fine grain, compact
7LA39 United States New Jersey Sandstone Patterson brownish-purple, medium grain, porous, Triassic
7LA4 Hungary Limestone Margarethen Leitha Mts. yellow, coarse grain, porous, fossiliferous
7LA40 United States New Jersey Sandstone Orange Mt. purplish-brown, medium grain, porous, Triassic
7LA41 United States Montana Sandstone Columbus drab-gray?, fine grain, compact, cretaceous
7LA42 United States New Hampshire Granite W. Concord gray, fine grain, biotite-muscovite
7LA43 United States Wisconsin Quartzite Waterloo gray, coarse grain
7LA44 United States Michigan Sandstone Marquette purplish-brown, medium grain, compact, Lower Silurian
7LA45 United States New Mexico Sandstone Santa Fe brownish-purple, coarse grain, porous
7LA5 Hungary Limestone Margarethen Leitha Mts. light buff, medium grain, cellular, fossiliferous
7LA6 Hungary Limestone Margarethen Leitha Mts. buff, coarse grain, cellular, fossiliferous
7lA7 United States Alabama Limestone Florence light gr, coarse grain, compact, cyrst