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 Sort ascending Country State Classification Source Description
7RA12 United States Georgia Marble Tate pink, coarsely-crystalline, Lower Silurian, calcite
7RA11 United States Connecticut Limestone Shelterville dark gray, fine grain, compact
7ra10 United States Arkansas Marble Nr. Batesville nearly black, fine grain, calcite
7RA1 Portugal Limestone Covoes, Coimbra buff, thin veins, fine grain, compact
7R21 United States Ohio Sandstone Glenmont buff, medium grain, Briar Hill
7LQ United States Tennessee Marble Knoxville gray, medium grain, calcite, Appalachian Silurianver Gray
7LB9 Hungary Limestone Margarethen Leitha Mts. yellow, coarse grain, porous, fossiliferous
7LB8 Austria Marble Castione gray and brown, medium grain calcite
7LB7 Austria Marble Castione pink, yellow and white, fine grain, brecciated
7LB6 Austria Marble Salzburg red and white, fine grain calcite
7Lb5 Austria Marble Castione gray and white, coarsely fossiliferous calcite
7LB45 United States Michigan Sandstone L'Anse reddish-brown, fine grain, porous, Potsdam
7LB44 United States Michigan Sandstone Stony Point dark-buff, fine grain, porous
7LB43 United States Michigan Sandstone L'Anse brownish-purple, gray-mottled, medium grain, porous, Potsdam
7Lb42 United States New Hampshire Granite W. Concord gray, fine grain, biotite-muscovite
7LB41 United States Montana Granite Lewis & Clark Co. gray, medium grain, Porphyritic, biotite
7LB40 United States New Jersey Sandstone Newark brownish-purple, fine grain, porous, Triassic
7Lb4 Austria Marble Manzana gray and white, coarsely fossiliferous calcite
7LB39 United States New Jersey Sandstone Pleasant Val. brown, fine grain, porous, Triassic
7LB38 United States Maryland Granite Woodstock gray, medium grain, biotite
7LB37 United States Massachusetts Gneiss Westford light gray, fine grain, muscovite
7LB36 United States Nevada Andesite Virginia City light brown, white-spotted, Porphyritic, hornblende
7LB35 United States Nevada Andesite Reno light gray, medium grain, compact, hornblende
7Lb34 United States Connecticut Gneiss Sterling gray, coarse grain, biotite-muscovite
7LB33 United States Connecticut Gneiss Haddam dark gray, fine grain, hornblende-biotite
7LB32 United States Minnesota Granite Watab gray, coarse grain, hornblende-biotite
7LB31 United States Colorado Sandstone Fort Collins buff, gray-banded, fine grain, compact, calcareous
7Lb30 United States Texas Sandstone Pecos Red, fine grain, compact
7Lb3 Austria Marble Castione pale pinkish-yellow, brecciated, coarse grain calcite
7LB29 United States California Sandstone Livermore gray, fine grain, porous
7LB28 United States Kentucky Sandstone Taylor Co. gray, brown lines, fine grain, compact
7LB27 United States New York Sandstone Phoenicia dark gray, fine grain, compact, Devonian
7Lb26 United States New York Sandstone Woodstock dark blue gray, medium grain, compact, Devonian
7LB25 United States Maine Granite Lincoln bray, coarse grain, hornblende
7LB24 United States Maine Granite Pownal gray, fine grain, biotite
7LB23 United States North Carolina Quartz Charlotte white, dark-spotted, Leopard Rock, Porphyritic
7LB22 United States North Carolina Gneiss Shelby gray, fine grain, biotite
7LB21 United States North Carolina Granite Contentnea Cr. Wilson Co. pink, coarse grain, porphyritic biotite
7LB2 Austria Marble Castione pink, gray-mottled, fine grain calcite
7Lb19 United States Ohio Sandstone Portsmouth brownish-gray, fine grain, porous, Lower carboniferous
7Lb18 United States Pennsylvania Gneiss Chester gray, coarse grain, biotite
7LB17 United States Pennsylvania Gneiss Chester dark gray, fine grain, biotite
7LB16 Austria Marble Salzburg brown, small white fossiliferouss, coarse grain calcite
7LB15 Austria Marble St. Felice pale buff-veined, fine grain calcite
7LB14 Austria Marble St. Felice yellow-veined, fine grain calcite
7LB13 Austria Marble Castione light drab, fine grain calcite
7LB12 Austria Marble Castione gray and white, coarsely fossiliferous calcite
7LB11 Austria Marble Nabresina gray, coarse grain, fossiliferous calcite
7LB10 Austria Marble Mori yellow variegated, fine grain calcite
7LB1 Austria Marble Castione gray and white, coarsely fossiliferous calcite
7La9 United States Connecticut Limestone Shelterville drab, medium grain, compact
7LA8 United States Arkansas Marble Sugar Orchard Cr.,Boone Co. Dull-brown, white-spotted, crinoidal
7lA7 United States Alabama Limestone Florence light gr, coarse grain, compact, cyrst
7LA6 Hungary Limestone Margarethen Leitha Mts. buff, coarse grain, cellular, fossiliferous
7LA5 Hungary Limestone Margarethen Leitha Mts. light buff, medium grain, cellular, fossiliferous
7LA45 United States New Mexico Sandstone Santa Fe brownish-purple, coarse grain, porous
7LA44 United States Michigan Sandstone Marquette purplish-brown, medium grain, compact, Lower Silurian
7LA43 United States Wisconsin Quartzite Waterloo gray, coarse grain
7LA42 United States New Hampshire Granite W. Concord gray, fine grain, biotite-muscovite
7LA41 United States Montana Sandstone Columbus drab-gray?, fine grain, compact, cretaceous
7LA40 United States New Jersey Sandstone Orange Mt. purplish-brown, medium grain, porous, Triassic
7LA4 Hungary Limestone Margarethen Leitha Mts. yellow, coarse grain, porous, fossiliferous
7LA39 United States New Jersey Sandstone Patterson brownish-purple, medium grain, porous, Triassic
7LA38 United States Maryland Serpentine Baltimore dark-green, fine grain, compact
7LA37 United States Maryland Serpentine Deer Creek dark-green, fine grain, compact
7LA36 United States Arizona Tuff Kirkland gray, fine grain, volcanic tuff
7LA35 United States Missouri Granite Iron Co. Red, medium grain, biotite
7LA34 Scotland Sandstone Beauty, Rose
7La33 United States Connecticut Sandstone Cromwell purplish-brown, medium grain, porous, muscovite, Triassic
7La32 United States Minnesota Sandstone Hinckley yellowish-pink, fine grain, porous
7LA31 United States Colorado Sandstone Fort Collins light gray, rust-spotted, fine grain, porous, cretaceous
7La30 United States Texas Sandstone Pecos Red, fine grain, compact
7LA3 Hungary Limestone Oszlopp buff-variegated, medium grain, compact, fossiliferous
7LA29 United States California Sandstone Livermore gray, fine grain, compact
7LA28 United States Kentucky Sandstone Grayson Spgs light gray, fine grain, porous
7La27 United States New York Sandstone Hallihan's Hill dark blue gray, fine grain, compact, Devonian
7La26 United States New York Sandstone Oneonta blue gray, fine grain, compact, Devonian
7LA25 United States Maine Granite Vinal Haven gray, fine grain, biotite
7LA24 United States Maine Granite Round Pond gray, fine grain, biotite
7LA23 United States North Carolina Granite Buckhorn Falls light gray, green-spotted, medium grain, biotite
7LA22 United States North Carolina Granite Asheville light gray, fine grain, biotite
7LA21 United States North Carolina Granite Alamance Co. gray, fine grain, biotite-muscovite
7La2 Portugal Limestone Porto Barrao, Coimbra drab and gray, fine grain, compact, argillaceous
7LA19 United States Ohio Sandstone Akron buff, coarse grain, fine grain, porous, carboniferous
7La18 United States Pennsylvania Quartzite Mapleton light gray, fine grain, compact, Upper Silurian
7LA17 United States Pennsylvania Argillite (Slate) Slatington blue-black, fine grain, roofing and tile slate
7La16 United States Pennsylvania Limestone Lebanon dark blue gray, fine grain, compact, Lower Silurian
7La15 United States Pennsylvania Limestone Lebanon dark blue gray, fine grain, compact, Lower Silurian
7La14 United States Pennsylvania Limestone Wernersville water-blue, dark-veined, fine grain, compact, crystalline, Lower Silurian
7La13 United States Pennsylvania Limestone East Conshohocken blue gray, medium grain, compact, micaceous, Lower Silurian
7La12 United States Pennsylvania Limestone Hummelstown blue, fine grain, compact, Lower Silurian
7LA11 United States Georgia Marble Tate pink, coarsely-crystalline, Lower Silurianower calcite
7LA10 United States Florida Limestone Key West nearly white, porous, friable, oolitic
7LA1 Australia Marble South Australia buff and gray mottled, medium grain
7L20 United States Ohio Sandstone Glenmont buff, medium grain, Briar Hill
7EE United States Ohio Sandstone McDermott buff, fine-grain, porous
7C United States Indiana Limestone Bloomington gray and buff, medium grain, porous, oolitic, variegated
7B United States Maine Granite High Pine pink, coarse grain, biotite, Swenson Pink
6WE United States Ohio Sandstone Amherst gray, medium-grain, porous
6RQ United States Ohio Sandstone McDermont light gray, fine grain, porous