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 | |
| 10LA39 | Mexico | Sandstone | Guanajuato State | |
| 6RA37 | Mexico | Tuff | Zacatecas State | |
| 10LA40 | Mexico | Tuff | Zacatecas State | |
| 10LA41 | Mexico | Tuff | Zacatecas State | |
| 6LB38 | Mexico | Tuff | Morelos State | |
| 9RB1 | Portugal | Limestone | Nazareth, Leiria | |
| 14LA44 | Portugal | Limestone | Serra de Boa Viagem, Coimbra | |
| 14LA45 | Portugal | Limestone | Ega, Coimbra | |
| 14LA46 | Portugal | Limestone | Janianes, Coimbra | |
| 14LA47 | Portugal | Limestone | Ilhastro, Coimbra | |
| 8RB3 | Portugal | Limestone | Lombas, Leiria | |
| 7RA1 | Portugal | Limestone | Covoes, Coimbra | |
| 9LA1 | Portugal | Limestone | Nazareth, Leiria | |
| 9RB42 | Portugal | Sandstone | St. Miguel, Coimbra | |
| 8RA2 | Portugal | Limestone | Freguesias, Coimbra | |
| 10LB2 | Portugal | Limestone | Alvito, Coimbra | |
| 11LA36 | Portugal | Sandstone | St. Miguel, Coimbra | |
| 8RA3 | Portugal | Limestone | Janianes, Coimbra | |
| 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 | |
| 13LA35 | Spain | Limestone | Ricla, Saragossa | |
| 9LA14 | Spain | Limestone | Murcia, Murcia | |
| 9RA14 | Spain | Limestone | Saragossa Prov. | |
| 14LB35 | Spain | Limestone | Morata, Saragossa | |
| 9RA37 | Spain | Sandstone | Murcia | |
| 9RA38 | Spain | tuff | Alamazanon | |
| 11LB15 | United States | Missouri | Dolomite | Sedalia |
| 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 |
| 9LA9 | United States | Iowa | Limestone | Burlington |
| S2-129 | United States | Florida | Limestone | New Port Richey |
| 10RA23 | United States | Kansas | Limestone | Eldorado |
| 11RB10 | United States | Kansas | Dolomite | Marysville |
| 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 |
| 8RA47 | United States | New Mexico | Sandstone | Las Vegas |
| 11LB20 | United States | Iowa | Limestone | Iowa Falls |
| 12LA33 | United States | North Carolina | Limestone | Rock Point |
| 12RB5 | United States | Tennessee | Limestone | Murfreesborough |
| 13RA46 | United States | Kentucky | Limestone | Trenton |
| 14LB9 | United States | Pennsylvania | Limestone | Flourtown |
| 5RA8 | United States | Ohio | Sandstone | Greenfield |
| 7La30 | United States | Texas | Sandstone | Pecos |
| 9LB10 | United States | Iowa | Limestone | Bristow |
| S2-6 | United States | Washington | Sandstone | Wilkeson |
| 11RB12 | United States | Missouri | Dolomite | Marshfield |
| 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 |
| 8RA6 | United States | New York | Limestone | Sandy Hill |
| 9RB10 | United States | Iowa | Limestone | Davenport |
| 10la10 | United States | Ohio | Limestone | Bloomville |
| 11LB21 | United States | Missouri | Limestone | Paris |
| 12LA34 | United States | Indiana | Limestone | Corydon |
| 12RB6 | United States | Wisconsin | Dolomite | Manitowoc |
| 13RA5 | United States | New York | Limestone | Howe's Cave |
| 14RA1 | United States | Indiana | Dolomite | Anderson |
| 5RB26 | United States | Maryland | Conglomerate | Cumberland |
| 7LA37 | United States | Maryland | Serpentine | Deer Creek |
| 8LB30 | United States | New York | Sandstone | Phoenicia |
| 9LB11 | United States | Iowa | Limestone | Durham Sta. Marion Co. |
| S2-64 | United States | Tennessee | Sandstone | Crossville |
| 10Ra48 | United States | Tennessee | Gneiss | Wolf Creek Cocke Co. |
| 11RB13 | United States | Missouri | Dolomite | Dutzrow |
| 12RA3 | United States | Illinois | Dolomite | Chicago |
| 13LB16 | United States | Iowa | Limestone | Decorah |
| 14LA22 | United States | Iowa | Limestone | Davenport |
| 6RA13 | United States | Pennsylvania | Sandstone | Goldsboro |
| 7RB43 | United States | Wisconsin | Quartzite | Stevens Point |
| 9RB11 | United States | Iowa | Limestone | Givin |
| 10la12 | United States | Ohio | Limestone | Columbus |
| 12La36 | United States | Kentucky | Limestone | Bloomfield |
| 12RB7 | United States | New York | Limestone | Indian Res. Onondaga Co. |
| 13RA8 | United States | Pennsylvania | Dolomite | Valley Branch Chester Co. |
| 14RA10 | United States | Pennsylvania | Dolomite | Mill Lane Chester Co. |
| 5RB30 | United States | California | Tuff | Lordsburg |
| 7LA38 | United States | Maryland | Serpentine | Baltimore |
| 8Lb40 | United States | West Virginia | Sandstone | Rowlesburgh |
| 9LB12 | United States | Iowa | Limestone | Earlham |
| S2-65 | United States | Tennessee | Sandstone | Crossville |
| 10RA9 | United States | Wisconsin | Dolomite | Byron |
| 11RB14 | United States | Missouri | Dolomite | Hermann |
| 12RA30 | United States | Illinois | Limestone | Joliet |
| 13LB2 | United States | Illinois | Dolomite | Lemont |
| 14LA3 | United States | Illinois | Dolomite | Joilet |