Skip to main content
U.S. flag

An official website of the United States government

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

Search the Stone wall

Search by state, country, classification, source, wall number or description.

Wall Number Country Sort ascending State Classification Source Description
7LA17 United States Pennsylvania Argillite (Slate) Slatington blue-black, fine grain, roofing and tile slate
12RB4 United States Illinois Limestone Breese dark gray, fine grain, compact, fossiliferous, Lower carboniferous
7LB36 United States Nevada Andesite Virginia City light brown, white-spotted, Porphyritic, hornblende
13LB14 United States Iowa Dolomite Delphi light gray, mottled, fine grain, compact, Niagara
8LA24 United States North Carolina Sandstone Sanford light reddish-brown, fine grain, porous, Triassic
13RB44 United States Kentucky Limestone Frankfort light gray, fine grain, compact, semicrystalline
8Lb4 United States Tennessee Marble Rogersville variegated, medium grain, fossiliferous, Lower Silurian
14LB10 United States Pennsylvania Marble York pink and white, fine grain, compact, magnesian, Lower Silurian
14RA23 United States Iowa Limestone Mason City light buff, fine grain, compact, fossiliferous, Devonian
9LA21 United States Ohio Sandstone Lancaster bright-yellow, coarse grain, porous, Lower carboniferous
14RB38 United States Pennsylvania Marble Pine Grove Schuylkill Co. dark gray, mottled, fine grain, Lower Silurian
9Lb38 United States Oregon Diabase Ashland nearly black, fine grain, compact
1R2 United States Connecticut Granite Leete Isl. pink, dark-mottled, coarse grain, biotite
10LA16 United States Vermont Marble W. Rutland cut from same block as 10RA18, white, gray-veined, Lower Silurian, calcite
10LB29 United States Maine Granite St. Thomaston gray, coarse grain, biotite
9RB13 United States Iowa Limestone Conrad light gray, medium grain, compact, oolitic, Lower carboniferous
10RA40 United States New Hampshire Granite Milford light gray, fine grain, biotite
S1-3 United States Unknown Sandstone Unknown buff, fine-grain, Golden Rod
10RB9 United States Vermont Marble Mallett's Bay dark-pink, fine grain, coarse, Cambrian, dolomite
S2-131 United States New York Bluestone Downsville
11LB26 United States Iowa Sandstone Lewis yellowish-brown, coarse grain, porous, cretaceous
S2-37 United States Maryland Schist Potomac Varicolored chlorite, some with cleavage horizontal, some with cleavage vertical
11RA7 United States New York Dolomite Rochester dark-drab, fine grain, compact, Devonian
S2-95 United States North Carolina Granite Mt. Airy light-gray, medium-grain, biotite, 1- to 3-in. thickness
12La18 United States Vermont Marble Danby white, medium grain, calcite, Imperial Yellow Danby
12LB7 United States New York Limestone Le Roy dark gray, fine grain, compact, magnesian, Devonian
2R12 United States Vermont Marble Florence light gray, dark and white-clouded, medium grain, calcite, Standard PV Memorial Grade
4L3 United States Vermont Marble W. Rutland bluish-gray, medium grain, calcite, Rutland Blue Building Grade
4RB21 United States Vermont Marble Mallett's Bay pink, gray mottled, coarse, hematitic, dolomite
5LB20 United States North Carolina Gneiss Jamestown gray, coarse grain, biotite
5RA36 United States Connecticut Gneiss Bolton gray, coarse, biotite
5WE United States Pennsylvania Sandstone Elwood buff, coarse-grain, compact
6LB20 United States Ohio Sandstone Sunbury light gray, fine grain, porous, Lower carboniferous
6RA34 United States Minnesota Granite E. St. Cloud dark gray, coarse grain, hornblende
6RB36 United States Connecticut Granite Thomaston gray, fine grain, biotite-muscovite
13LA28 United States Tennessee Marble Knoxville pink, medium grain, fossiliferous, Lower Silurian
7RA23 United States North Carolina Granite Gastonia gray, fine grain, muscovite-biotite
13LB43 United States Kentucky Limestone Litchfield dark, mottled, fine grain, compact, semicrystalline
7RB41 United States New Hampshire Granite Raymond light pink, medium grain, biotite
13RB15 United States Iowa Dolomite Quarry, Marshall Co. buff, fine grain, compact, fossiliferous, Sub-carboniferous
8RA24 United States North Carolina Sandstone Durham light gray, fine grain, porous, Triassic
14LB4 United States Illinois Dolomite Chicago dark-drab, fine grain, cellular, compact, Upper Silurian
8RB4 United States Tennessee Marble Cleveland pink, coarse, magnesian, Lower Silurian
14RA9 United States Pennsylvania Limestone Vanport dark gray, coarse grain, compact, fossiliferous, magnesian, carboniferous
9LA9 United States Iowa Limestone Burlington light gray, medium grain, compact, Sub-carboniferous
18WE United States Ohio Sandstone McDermott blue, fine-grain, porous
10LA45 United States New Hampshire Granite Lebanon pink, coarse grain, biotite-epidote
10RA11 United States Pennsylvania Dolomite York black, fine grain, compact, calcareous, Lower Silurian
10RB25 United States Maine Granite Hallowell light gray, fine grain, muscovite-biotite
9RA27 United States New York Sandstone Guilford Cntr. Chenango Co. dark-drab, fine grain, compact, Devonian
10RA12 United States Kansas Dolomite Richland Twp. Butler Co. buff, fine grain, compact, siliceous
10RB26 United States Maine Argillite (Slate) Brownsville uniform blue-black, electrical
S2-103 United States Tennessee Sandstone Crossville Crab Orchanrd Stone, variegated colors, some on bed and some on edge, in 3- to 6 in. thicknesses
11LA34 United States South Carolina Marble Unknown light blue gray, dark-banded, medium grain, calcite
S2-161 United States Colorado Marble Marble white, medium-grain calcite marble, Colorado Yule
11RA14 United States Iowa Dolomite Lansing light gray, fine grain, cellular, Lower carboniferous
S2-67 United States North Carolina Granite Salisbury pale pink, medium grain, biotite
11RB37 United States New Jersey Sandstone Woodsville blue-black, fine grain, compact
12LB14 United States Missouri Dolomite Osage light spotted, coarse grain, porous, siliceous
12RA35 United States Indiana Limestone Corydon nearly white, fine grain, compact, oolitic
3L3 United States Vermont Marble Danby white, dark-veined, medium grain, calcite, Danby D Building Grade
4R2 United States Vermont Marble W. Rutland white, gray-veined, fine grain, calcite, Standard Memorial Grade
5LA34 United States Connecticut Gneiss Middletown dark gray, fine grain, hornblende-biotite
5LB9 United States Massachusetts Granite Clinton dark gray, fine grain, biotite
5RB24 United States North Carolina Granite Warrenton light gray, fine grain, biotite
6LA35 United States Minnesota Labradorite Beaver City light greenish, 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
12RB40 United States Alabama Limestone Turks Cave light gray, coarse grain, porous, tertiary
7LB37 United States Massachusetts Gneiss Westford light gray, fine grain, muscovite
13LB15 United States Iowa Dolomite Buffalo drab, white-speckled, fine grain, compact, Devonian
13RA3 United States Tennessee Marble Calhoun pink, medium grain, magnesian, Lower Silurian
8LA25 United States North Carolina Sandstone Durham light purplish-brown, fine grain, compact, Triassic
13RB45 United States Kentucky Limestone Dennis drab, fine grain, compact, Lower carboniferous
8Lb40 United States West Virginia Sandstone Rowlesburgh dark gray, fine grain, compact, Devonian
14LB11 United States Ohio Dolomite Greenfield dark gray, fine grain, porous, bituminous, Upper Silurian
14RA24 United States Iowa Limestone Bedford light drab, medium grain, compact, fossiliferous, carboniferous
9LA22 United States Ohio Sandstone Logan buff, coarse grain, porous, Lower carboniferous
14RB39 United States Pennsylvania Marble Amityville brown and gray, coarse, calcareous, breccia
9Lb39 United States Oregon Diabase Albany region gray, medium grain, compact
1R3 United States Connecticut Granite Mystic Bridge brownish-gray, fine grain, biotite
10Lb3 United States Tennessee Marble Doughertyville variegated, medium grain, fossiliferous, Lower Silurian
9RB14 United States Iowa Limestone Tipton buff, coarse grain, compact, cellular, Upper Silurian
10RA41 United States New Hampshire Granite Farmington gray, fine grain, biotite-muscovite
S1-30 United States Massachusetts Granite Milford pink, coarse-grain, biotite
10RQ United States Connecticut Sandstone Fair Haven brown, coarse, porous, arkose, Fair Haven Granite
S2-132 United States Idaho Sandstone Boise buff, coarse-grain, porous
11LB27 United States Arkansas Quartzite Bald Knob buff, fine grain, compact
S2-38 United States Maryland Schist Potomac Varicolored chlorite, some with cleavage horizontal, some with cleavage vertical
11RA8 United States Pennsylvania Limestone Cove Statioan Bedford Co. gray, coarse grain, compact, magnesian, crystalline, Devonian
S2-96 United States North Carolina Granite Mt. Airy light-gray, medium-grain, biotite, 1- to 3-in. thickness
12La19 United States Vermont Marble Center Rutland cut from same block as 13RB19, white, gray-veined, fine grain, Lower Silurian, calcite
12LB8 United States Minnesota Dolomite Kasota yellow, fine grain, compact, Lower Silurian
2R13 United States Connecticut Marble E. Canaan Cut from same block as 2L13, white, brown-spotted, coarse grain, dolomite
4L4 United States Vermont Marble W. Rutland bluish-gray, medium grain, calcite, Rutland Blue Building Grade
4RQ United States Ohio Sandstone Amherst gray, medium grain, porous, Berea Gray
5LB21 United States North Carolina Gneiss Henry's Station McDowel Co. dark gray, coarse grain, biotite
6B United States North Carolina Granite Salisbury pink, medium grain, biotite, Salisbury
6LB21 United States Ohio Sandstone Millersburg gray, coarse grain, porous, carboniferous
6RA35 United States Connecticut Granite Millstone Point gray, fine grain, biotite