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: fine grain
| Wall Number | Country | State | Classification Sort ascending | Source |
|---|---|---|---|---|
| 10RB37 | United States | West Virginia | Sandstone | Berkeley Springs |
| 5La2 | United States | Ohio | Sandstone | Norwalk |
| 6La7 | United States | Pennsylvania | Sandstone | Meshoppen |
| 7LB45 | United States | Michigan | Sandstone | L'Anse |
| 7RA31 | United States | Colorado | Sandstone | Coal Creek |
| 7RB27 | United States | Kentucky | Sandstone | Marion |
| 8LA38 | United States | Arizona | Sandstone | Flagstaff |
| 8LB47 | United States | New Mexico | Sandstone | Valencia Co. |
| 8RA28 | United States | New York | Sandstone | Guilford |
| 8RB33 | United States | Colorado | Sandstone | Fort Collins |
| 9LA45 | Canada | Sandstone | Mary's Point, New Brunswick | |
| 9RA19 | United States | Pennsylvania | Sandstone | Franklin |
| 9RA45 | Canada | Sandstone | Dorchester, New Brunswick | |
| 10LA37 | United States | Kansas | Sandstone | Chanute |
| 11RB29 | United States | Virginia | Sandstone | Manassas |
| 5LA28 | United States | Kentucky | Sandstone | Grayson Spgs |
| 6La8 | United States | Pennsylvania | Sandstone | Altoona |
| 6RA2 | United States | Pennsylvania | Sandstone | Columbia |
| 7RA32 | United States | Minnesota | Sandstone | Dresback |
| 7RB28 | United States | California | Sandstone | Sites |
| 8La40 | United States | West Virginia | Sandstone | Parkersburg |
| 8RA29 | United States | New York | Sandstone | Corning |
| 8RB34 | United States | Minnesota | Sandstone | Dakota |
| 9LA46 | Canada | Sandstone | Brampton, Ontario | |
| 9Lb34 | United States | Oregon | Sandstone | Jacksonville |
| 9RA20 | United States | Pennsylvania | Sandstone | Uniontown |
| 9RA46 | Canada | Sandstone | Georgetown, Ontario | |
| 9RB33 | United States | Arizona | Sandstone | Yavapai Co. |
| 10LB7 | United States | Missouri | Limestone | Clinton |
| 11LA21 | United States | Missouri | Limestone | Pleasant Hill |
| 11LB10 | United States | Kansas | Limestone | Leavenworth |
| 11RB3 | United States | Texas | Limestone | Austin |
| 11RB5 | United States | New York | Limestone | Howe's Cave |
| 12LB22 | United States | Kansas | Limestone | Junction City |
| 12RB4 | United States | Illinois | Limestone | Breese |
| 13LB32 | United States | Minnesota | Limestone | Canon City |
| 13RA47 | United States | Alabama | Limestone | Rockwood |
| 14LB47 | United States | Kentucky | Limestone | Pineville |
| 7RA1 | Portugal | Limestone | Covoes, Coimbra | |
| 8LB7 | United States | Nebraska | Limestone | Syracuse |
| 8RA3 | Portugal | Limestone | Janianes, Coimbra | |
| 8RB13 | United States | Texas | Limestone | Burnet |
| 9LA14 | Spain | Limestone | Murcia, Murcia | |
| 9RA5 | United States | Missouri | Limestone | New London |
| 11LA23 | United States | Kansas | Limestone | Eldorado |
| 12LA31 | United States | Illinois | Limestone | Joliet |
| 12LB23 | United States | Kansas | Limestone | Rock Twp. Butler Co. |
| 12RA1 | United States | Indiana | Limestone | Bedford |
| 12RB5 | United States | Tennessee | Limestone | Murfreesborough |
| 13LB1 | United States | Virginia | Limestone | Near National Bridge |
| 13RA5 | United States | New York | Limestone | Howe's Cave |
| 14LB8 | United States | New York | Limestone | S. Glenn Falls |
| 2c | United States | Alabama | Limestone | Rockwood |
| 9LA16 | United States | Minnesota | Limestone | Minneapolis |
| 10RB17 | Spain | Limestone | Ricla, Saragossa | |
| 11RB7 | United States | New York | Limestone | Three Mile Bay |
| 12LA34 | United States | Indiana | Limestone | Corydon |
| 13LA25 | United States | Kansas | Limestone | Winfield |
| 13RB36 | United States | Pennsylvania | Limestone | N. Annville |
| 14LB9 | United States | Pennsylvania | Limestone | Flourtown |
| 14RB40 | United States | Ohio | Limestone | Piqua |
| 7RA11 | United States | Connecticut | Limestone | Shelterville |
| 8RB15 | United States | Utah | Limestone | Ephriam |
| 9RA9 | United States | Iowa | Limestone | Tracey Station, Marion Co. |
| 10LA20 | United States | Iowa | Limestone | Iowa Falls |
| 12LA4 | United States | Texas | Limestone | Austin |
| 12RA11 | United States | Kentucky | Limestone | Lagrange |
| 12RB8 | United States | New York | Limestone | Springfield Center |
| 13LA26 | United States | Texas | Limestone | San Saba |
| 13LB39 | United States | Pennsylvania | Limestone | Paxton Station Dauphin Co. |
| 13RB37 | United States | Pennsylvania | Limestone | Myerstown |
| 14LA44 | Portugal | Limestone | Serra de Boa Viagem, Coimbra | |
| 14RB43 | United States | Kentucky | Limestone | Lebanon |
| 7RA13 | United States | Pennsylvania | Limestone | Harrisburg |
| 8RA14 | United States | Indiana | Limestone | Avoca |
| 8RB16 | United States | Wisconsin | Limestone | Madison |
| 9LB12 | United States | Iowa | Limestone | Earlham |
| 9RB1 | Portugal | Limestone | Nazareth, Leiria | |
| 10RB8 | United States | Missouri | Limestone | Herculaneum |
| 12RA30 | United States | Illinois | Limestone | Joliet |
| 13LA35 | Spain | Limestone | Ricla, Saragossa | |
| 13RB38 | United States | Illinois | Limestone | Sagetown |
| 14LA45 | Portugal | Limestone | Ega, Coimbra | |
| 14RB12 | United States | Indiana | Limestone | Oakdale |
| 14RB46 | United States | Kentucky | Limestone | Stewart's Mill Clark Co. |
| 7RA15 | United States | Pennsylvania | Limestone | Lebanon |
| 8RA15 | United States | Indiana | Limestone | Putnamville |
| 9LB14 | United States | Iowa | Limestone | Fairfield |
| 9RA3 | United States | Colorado | Limestone | Morrison |
| 9RB10 | United States | Iowa | Limestone | Davenport |
| 10LA24 | United States | Kansas | Limestone | Grenola |
| 11LA33 | United States | Ohio | Limestone | Lumberton |
| 13LA36 | Hungary | Limestone | Margarethen Leitha Mts. | |
| 13LB13 | United States | Iowa | Limestone | Mason City |
| 13RA18 | United States | Iowa | Limestone | Vinton |
| 13RB39 | United States | Illinois | Limestone | Columbia |
| 14LA46 | Portugal | Limestone | Janianes, Coimbra | |
| 14LB21 | United States | Iowa | Limestone | Dudley Sta. Wapello Co. |
| 14RB47 | United States | Kentucky | Limestone | Bloomfield |
| 7RA16 | United States | Pennsylvania | Limestone | Wernersville |