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.

Engineering Laboratory

Materials and Structural Systems Division

Search the Stone wall

Share

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

Wall Number Country State Classification Source Description
2D United States Virginia Greenstone Lynchburg green, coarse grain, actinolite schist, Virginia Greenstone
6RB24 United States North Carolina Granite Salisbury light gray, fine grain, Archaean, biotite
9LQ United States Tennessee Marble Knoxville pink, medium grain, calcite, Craig Edward medium Pink
3R1 United States Vermont Marble Danby white, dark-clouded, medium grain, calcite, Danby D Building Grade
7LA35 United States Missouri Granite Iron Co. Red, medium grain, biotite
4RA10 United States Alabama Marble Gantt's Quarry Cut from same block as 4LA10, white, dark parallel veins, fine grain calcite
7ra10 United States Arkansas Marble Nr. Batesville nearly black, fine grain, calcite
S1-41 United States Pennsylvania Sandstone Wyoming dark-gray, fine-grain, compact
5LA41 United States New Jersey Granite Morristown dark-green and white, coarse grain, hornblende
S2-143 United States California Marble Columbia gray, medium-grain dolomitic marble, Columbia Dark Vein
5RA15 United States Ohio Sandstone Cambridge light gray, coarse grain, porous, carboniferous
8La41 United States Mississippi Sandstone Rankin Co. yellow, fine grain, compact, argillaceous
S2-49 United States Massachusetts Granite Quincy dark-gray, coarse-grain, hornblende
5RB31 United States Georgia Marble Holly Spgs. green, fine grain, serpentine
8RA12 United States Illinois Limestone Jonesborough light gray, medium grain, compact, oolitic
S3-6 United States Ohio Sandstone McDermott gray, fine-grain, porous
6LA42 United States New Jersey Sandstone Stockton light purplish-brown, coarse grain, porous, Triassic
8RB28 United States New York Sandstone Broadhead's Bridge dark blue gray, fine grain, compact, Devonian
6RA13 United States Pennsylvania Sandstone Goldsboro purplish-brown, medium grain, compact, Triassic
9LA39 United States Indiana Sandstone French Lick Twp. light gray, fine grain, porous, Lower carboniferous
10LA6 United States Tennessee Limestone Nolensville Pike brownish-gray, fine grain, compact, magnesian, fossiliferous, Lower Sil
13LA2 United States Illinois Dolomite Lemont light gray, fine grain, compact, Upper Silurian
10RA18 United States Vermont Marble W. Rutland white, gray-veined, Lower Silurian, calcite
10RB31 United States Texas Sandstone Mormon Mills gray, medium grain, porous, carboniferous, calcareous
13RA7 United States Minnesota Dolomite Mankato buff, fine grain, porous, Lower Silurian
11LA4 United States New York Limestone Union Springs black, fine grain, compact, magnesian, Devonian
14LA17 United States Iowa Dolomite Keokuk drab, medium grain, compact, siliceous, Lower carboniferous
11RA2 United States Washington Marble Stevens Co. blue gray, white-spotted, fine grain, dolomitic
11RB42 United States Washington Sandstone Bellingham gray, fine grain, compact, Chuckanut
11RA20 United States Texas Marble San Saba light gray, coarse grain, cretaceous
11RB43 United States New Mexico Serpentine Grant County Gila River green and white-banded, fine grain, Riccolite
12LB20 United States Vermont Marble W. Rutland gray, black-streaked, Lower Silurian, calcite
16C United States Alabama Limestone Rockwood light buff, fine grain, porous, oolitic
12RA8 United States New York Limestone Cobleskill black, fine grain, compact, magnesian, Devonian
27EE United States Tennessee Travertine Nashville light-buff travertine
2R6 United States Vermont Marble Danby cut from the same block as 2L6, white, darka-veined, medium grain, calcite
7B United States Maine Granite High Pine pink, coarse grain, biotite, Swenson Pink
9RA39 United States Wyoming Sandstone Rawlins light gray, fine grain, porous, calcareous
4LA13 United States Vermont Marble Center Rutland white, dark veins, medium grain, calcite
7LB25 United States Maine Granite Lincoln bray, coarse grain, hornblende
S1-13 United States Unknown Granite Unknown greenish-gray, med-grain, biotite
5LA13 United States Ohio Sandstone New Lisbon gray, coarse grain, porous, carboniferous
7RA41 United States New Hampshire Granite Sunapee gray, fine grain, biotite-muscovite
S2-115 United States Tennessee Sandstone Crossville Crab Orchanrd Stone, variegated colors, some on bed and some on edge, in 3- to 6 in. thicknesses
5Lb3 United States Ohio Sandstone Zanesville buff, coarse grain, porous, carboniferous
8LA13 United States Indiana Limestone Fort Ritner light gray, medium grain, compact, Lower carboniferous, oolitic
S2-20 United States Maryland Schist Potomac Varicolored chlorite, some with cleavage horizontal, some with cleavage vertical
8LB29 United States New York Sandstone Reedsville dark blue gray, fine grain, compact, Devonian
S2-79 United States Massachusetts Granite Milford pink, coarse-grain, biotite
6La14 United States Pennsylvania Sandstone Olyphant pink, coarse grain, compact
8RA42 United States Oregon Basalt Clackamas Station Clackamas Co gray, fine grain, porous
6LB3 United States Pennsylvania Sandstone Oil City buff, fine grain, porous, carboniferous
9La10 United States Iowa Limestone Keosauque Station light gray, fine grain, compact, Lower carboniferous
6RA43 United States New Hampshire Gneiss Petersborough gray, medium grain, muscovite-biotite
12RB32 United States Pennsylvania Limestone Huntingdon nearly black, fine grain, compact
10Lb36 United States Kansas Sandstone Pawnee gray, dark-spotted, medium grain, compact, calcareous
13LA7 United States Minnesota Dolomite Stillwater light buff, fine grain, compact, Lower Silurian
10Ra48 United States Tennessee Gneiss Wolf Creek Cocke Co. gray and pink, fine grain, compact, conglomerate
13RA21 United States Iowa Limestone Bentonsport gray, medium grain, compact, semi-crystalline, Sub-carboniferous
11LA11 United States Kentucky Dolomite Bardstown drab, fine grain, compact, Upper Silurian
13RB37 United States Pennsylvania Limestone Myerstown blue gray, fine grain, compact, Lower Silurian
11LB33 United States New Hampshire Granite Manchester pink, coarse grain, muscovite-biotite
11RB14 United States Missouri Dolomite Hermann dark gray, fine grain, compact, siliceous
14RA16 United States Iowa Dolomite Franklin light gray, fine grain, compact, Lower carboniferous
12RA12 United States Ohio Dolomite Lexington dark gray, fine grain, compact, bituminous, Upper Silurian
1R1 United States Connecticut Granite Leete Isl. pink and black-mottled, medium grain, biotite
2EE United States Ohio Sandstone Glenmont buff, coarse-grain, porous
6RB25 United States Maine Granite Calais pinkish-gray, medium grain, biotite
7LA36 United States Arizona Tuff Kirkland gray, fine grain, volcanic tuff
9RB26 United States New York Sandstone Huntersland blue gray, fine grain, compact, Devonian
4RA11 United States Georgia Marble Tate white, dark clouds, coarse grain, calcite
7RA11 United States Connecticut Limestone Shelterville dark gray, fine grain, compact
S1-42 United States Pennsylvania Sandstone Wyoming dark-gray, fine-grain, compact
5LA42 United States New Jersey Diabase Rock Church gray, fine grain
7RB30 United States Texas Sandstone Milsap reddish-brown, fine grain, porous
S2-144 United States California Marble Columbia light-blue, medium-grain dolomitic marble, Columbia Light Blue
5RA16 United States Ohio Sandstone Leesville gray, fine grain, porous, Lower carboniferous
8LA42 United States New Jersey Sandstone Newark purplish-brown, fine grain, porous, Triassic
S2-5 United States Missouri Limestone Carthage gray, med-grain, crystalline
5RB32 United States Colorado Diorite Monarch greenish-gray, fine grain
8RA13 United States Indiana Limestone Bedford light gray, medium grain, compact, oolitic, Lower carboniferous
S3-7 United States Arkansas Limestone Batesville gray, medium-grain crystalline, Batesville
6LA43 United States New Jersey Sandstone Pleasant Val. brown, fine grain, porous, Triassic
8RB29 United States New York Sandstone Albion brownish-purple, fine grain, compact, Upper Silurian
6RA14 United States Pennsylvania Sandstone Fuller buff, coarse grain, porous, carboniferous
9LA4 United States Colorado Limestone Pitkin dark, white-mottled, fine grain, compact
10LA7 United States New York Limestone Onondaga dark gray, medium grain, compact, fossiliferous, magnesian, Devonian
13LA20 United States Iowa Coral Iowa City light gray, fine grain, compact, fossiliferous
10RA19 United States Vermont Marble Dorset white, medium grain, Lower Silurian, calcite
13LB36 United States Utah Marble Clinton buff, brown-mottled, fine grain, fossiliferous
10RB32 United States Colorado Sandstone Fort Collins light gray, fine grain, porous, calcareous
13RA8 United States Pennsylvania Dolomite Valley Branch Chester Co. bluish-drab, fine grain, compact
11La40 United States Tennessee Sandstone Sewanee light buff, medium grain, porous
14LA18 United States Vermont Marble S. Wallingford white, fine grain, Lower Silurian, calcite
10RB33 United States Connecticut Granite Stony Creek Red, coarse grain, biotite
13RA9 United States Connecticut Marble E. Canaan bluish-white, coarse grain, dolomite
11LA5 United States Minnesota Limestone Red Wing light grab, fine grain, compact, magnesian, dendritic
11RA21 United States Missouri Limestone St. Louis light gray, medium grain, compact, semicrystalline, Lower carboniferous
11RB44 United States New Mexico Serpentine Grant County Gila River cut from same block as 11RB43, green and white-banded, fine grain, Riccolite
12LB21 United States Missouri Limestone St. Louis drab, fine grain, compact, finely fossiliferous, Lower carboniferous