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.
Stone description: compact
| Wall Number | Country Sort descending | State | Classification | Source |
|---|---|---|---|---|
| 11LB25 | Italy | Sandstone | Leghorn | |
| 9RA32 | Italy | Sandstone | Leghorn | |
| 5RA37 | Mexico | Andesite | Hildalgo State | |
| 10RA30 | Mexico | Sandstone | Guanajuato State | |
| 6RA37 | Mexico | Tuff | Zacatecas State | |
| 10LA39 | Mexico | Sandstone | Guanajuato State | |
| 10LA40 | Mexico | Tuff | Zacatecas State | |
| 10LA41 | Mexico | Tuff | Zacatecas State | |
| 6LB38 | Mexico | Tuff | Morelos State | |
| 8RB3 | Portugal | Limestone | Lombas, Leiria | |
| 14LA44 | Portugal | Limestone | Serra de Boa Viagem, Coimbra | |
| 14LA45 | Portugal | Limestone | Ega, Coimbra | |
| 14LA46 | Portugal | Limestone | Janianes, Coimbra | |
| 14LA47 | Portugal | Limestone | Ilhastro, Coimbra | |
| 9RB42 | Portugal | Sandstone | St. Miguel, Coimbra | |
| 9LA1 | Portugal | Limestone | Nazareth, Leiria | |
| 7RA1 | Portugal | Limestone | Covoes, Coimbra | |
| 8RA2 | Portugal | Limestone | Freguesias, Coimbra | |
| 8RA3 | Portugal | Limestone | Janianes, Coimbra | |
| 10LB2 | Portugal | Limestone | Alvito, Coimbra | |
| 11LA36 | Portugal | Sandstone | St. Miguel, Coimbra | |
| 9RB1 | Portugal | Limestone | Nazareth, Leiria | |
| 7La2 | Portugal | Limestone | Porto Barrao, Coimbra | |
| 5LA12 | Scotland | Sandstone | Anan | |
| 14RB34 | Spain | Limestone | Saragossa Prov. | |
| 14RB35 | Spain | Limestone | Calatayud, Saragossa | |
| 10RB17 | Spain | Limestone | Ricla, Saragossa | |
| 9LA14 | Spain | Limestone | Murcia, Murcia | |
| 9RA14 | Spain | Limestone | Saragossa Prov. | |
| 13LA35 | Spain | Limestone | Ricla, Saragossa | |
| 14LB35 | Spain | Limestone | Morata, Saragossa | |
| 9RA37 | Spain | Sandstone | Murcia | |
| 9RA38 | Spain | tuff | Alamazanon | |
| 8LB30 | United States | New York | Sandstone | Phoenicia |
| 10RA11 | United States | Pennsylvania | Dolomite | York |
| 9LB11 | United States | Iowa | Limestone | Durham Sta. Marion Co. |
| 11RA8 | United States | Pennsylvania | Limestone | Cove Statioan Bedford Co. |
| S2-64 | United States | Tennessee | Sandstone | Crossville |
| 12RA15 | United States | Missouri | Dolomite | Booneville |
| 13LB12 | United States | New Jersey | Dolomite | Newton |
| 14LA17 | United States | Iowa | Dolomite | Keokuk |
| 14RB23 | United States | Iowa | Limestone | Montour |
| 6LB6 | United States | Pennsylvania | Sandstone | Prospect |
| 7RB27 | United States | Kentucky | Sandstone | Marion |
| 11LB10 | United States | Kansas | Limestone | Leavenworth |
| 9RB11 | United States | Iowa | Limestone | Givin |
| 12LA3 | United States | Illinois | Dolomite | Joilet |
| 12RB36 | United States | Indiana | Limestone | Bedford |
| 13RA42 | United States | Kentucky | Limestone | Princeton |
| 14Lb46 | United States | Kentucky | Limestone | Princeton |
| 5LB7 | United States | Ohio | Sandstone | N. Bloomfield |
| 7La27 | United States | New York | Sandstone | Hallihan's Hill |
| 8Lb40 | United States | West Virginia | Sandstone | Rowlesburgh |
| 10RA12 | United States | Kansas | Dolomite | Richland Twp. Butler Co. |
| 9LB12 | United States | Iowa | Limestone | Earlham |
| 11RB1 | United States | Illinois | Dolomite | Joilet |
| S2-65 | United States | Tennessee | Sandstone | Crossville |
| 12RA17 | United States | Iowa | Dolomite | Garrison |
| 13LB13 | United States | Iowa | Limestone | Mason City |
| 14LA2 | United States | Illinois | Dolomite | Aurora |
| 14RB28 | United States | Tennessee | Limestone | Columbia |
| 6RA1 | United States | Pennsylvania | Sandstone | Mainesburgh |
| 7RB31 | United States | Colorado | Sandstone | Jefferson Co. |
| 8RB13 | United States | Texas | Limestone | Burnet |
| 11Lb13 | United States | Utah | Dolomite | San Pete Valley |
| 9RB12 | United States | Iowa | Limestone | Independence |
| 12LA31 | United States | Illinois | Limestone | Joliet |
| 12RB38 | United States | Kentucky | Limestone | Taylorsville |
| 13RA44 | United States | Kentucky | Limestone | Pilot Knob |
| 14LB47 | United States | Kentucky | Limestone | Pineville |
| 5RA29 | United States | California | Basalt | Petaluma |
| 7LA29 | United States | California | Sandstone | Livermore |
| 8LB42 | United States | New Jersey | Sandstone | Quarryville |
| 10RA23 | United States | Kansas | Limestone | Eldorado |
| 9LB13 | United States | Iowa | Limestone | Burlington |
| 11RB10 | United States | Kansas | Dolomite | Marysville |
| S2-66 | United States | Tennessee | Sandstone | Crossville |
| 12RA21 | United States | Iowa | Limestone | Marshalltown |
| 13LB14 | United States | Iowa | Dolomite | Delphi |
| 14LA20 | United States | Iowa | Limestone | Mt. Pleasant |
| 14RB3 | United States | Illinois | Dolomite | Chicago |
| 6RA10 | United States | Pennsylvania | Sandstone | Johnstown |
| 7RB35 | United States | Massachusetts | Conglomerate | Dorchester |
| 8RB17 | United States | Pennsylvania | Limestone | Mertztown |
| 11LB15 | United States | Missouri | Dolomite | Sedalia |
| 9RB13 | United States | Iowa | Limestone | Conrad |
| 12LA32 | United States | Illinois | Limestone | Jonesborough |
| 12RB4 | United States | Illinois | Limestone | Breese |
| 13RA45 | United States | Kentucky | Limestone | Anchorage |
| 14LB8 | United States | New York | Limestone | S. Glenn Falls |
| 8LB43 | United States | Montana | Sandstone | Columbus |
| 9LB14 | United States | Iowa | Limestone | Fairfield |
| 11RB12 | United States | Missouri | Dolomite | Marshfield |
| S2-9 | United States | New York | Sandstone | Malone |
| 12RA23 | United States | Tennessee | Limestone | Nashville |
| 13LB15 | United States | Iowa | Dolomite | Buffalo |
| 14LA21 | United States | Iowa | Limestone | Marble Rock |
| 6RA12 | United States | Pennsylvania | Sandstone | Lucesco |
| 7RB37 | United States | Nevada | Andesite | Virginia City |
| 8RB19 | United States | Pennsylvania | Sandstone | Corry |