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Stone description: medium grain
| Wall Number | Country | State | Classification Sort descending | Source |
|---|---|---|---|---|
| 10RA24 | United States | Kansas | Limestone | Armstrong |
| 14RA22 | United States | Iowa | Limestone | Winterset |
| 4RB12 | United States | Indiana | Limestone | Salem |
| 7RA14 | United States | Pennsylvania | Limestone | Connellsville |
| 9LA9 | United States | Iowa | Limestone | Burlington |
| 9RB11 | United States | Iowa | Limestone | Givin |
| 10La21 | United States | Missouri | Limestone | Springfield |
| 12RB36 | United States | Indiana | Limestone | Bedford |
| 14RA24 | United States | Iowa | Limestone | Bedford |
| 7LA3 | Hungary | Limestone | Oszlopp | |
| 9LB11 | United States | Iowa | Limestone | Durham Sta. Marion Co. |
| 9RB13 | United States | Iowa | Limestone | Conrad |
| 11RA6 | United States | New York | Limestone | Buffalo |
| 12LA22 | United States | Missouri | Limestone | Pleasant Hill |
| 12RB38 | United States | Kentucky | Limestone | Taylorsville |
| 13RA21 | United States | Iowa | Limestone | Bentonsport |
| 13RB35 | United States | New York | Limestone | Williamsville |
| 14LB20 | United States | Iowa | Limestone | Knoxville |
| 14RA27 | United States | Tennessee | Limestone | Nashville |
| 5C | United States | Indiana | Limestone | Lawrence Co. |
| 8C | United States | Indiana | Limestone | Bloomington |
| 9LB13 | United States | Iowa | Limestone | Burlington |
| 12LA32 | United States | Illinois | Limestone | Jonesborough |
| 12RB7 | United States | New York | Limestone | Indian Res. Onondaga Co. |
| 13RA24 | United States | Kansas | Limestone | Douglass |
| 13RB40 | United States | Illinois | Limestone | Chester |
| 14RA37 | Hungary | Limestone | Kroisbach | |
| 8LA12 | United States | Illinois | Limestone | Kinderhook |
| 10LA7 | United States | New York | Limestone | Onondaga |
| 12LA35 | United States | Indiana | Limestone | Spencer |
| 13RB42 | United States | Indiana | Limestone | Bedford |
| 14LB28 | United States | Tennessee | Limestone | Davidson Co. |
| 14RA38 | Hungary | Limestone | Margarethen Leitha Mts. | |
| 1Lq | United States | Missouri | Limestone | Carthage |
| 4Lb11 | United States | Tennessee | Limestone | Knoxville |
| 8LA13 | United States | Indiana | Limestone | Fort Ritner |
| 10RB12 | United States | Iowa | Limestone | Iowa City |
| 12La36 | United States | Kentucky | Limestone | Bloomfield |
| 13LA21 | United States | Iowa | Limestone | Quarry, Marshall Co. |
| 13RB43 | United States | Kentucky | Limestone | Litchfield |
| 14RB14 | United States | Iowa | Limestone | Le-Grand |
| 3LQ | United States | Missouri | Limestone | Carthage |
| 4LB12 | United States | Indiana | Limestone | Salem |
| 8LA15 | United States | Indiana | Limestone | Greenscastle |
| 8RA9 | Canada | Limestone | Montreal | |
| 10LB2 | Portugal | Limestone | Alvito, Coimbra | |
| 10RB13 | United States | Iowa | Limestone | Blansett |
| 11RB20 | United States | Iowa | Limestone | Burlington |
| 13LA27 | United States | Tennessee | Limestone | Nashville |
| 13rb46 | United States | Alabama | Limestone | Leighton |
| 8La17 | United States | Kentucky | Limestone | Russelville |
| 8RB17 | United States | Pennsylvania | Limestone | Mertztown |
| 10RB14 | United States | Indiana | Limestone | Stinesville |
| 11RA19 | United States | Iowa | Limestone | Montour |
| 13RA41 | United States | Kentucky | Limestone | Princeton |
| 13RB5 | United States | New York | Limestone | Kingston |
| 14RB20 | United States | Iowa | Limestone | Winterset |
| 2R17 | United States | Missouri | Limestone | Phenix |
| 7LA5 | Hungary | Limestone | Margarethen Leitha Mts. | |
| 11RA21 | United States | Missouri | Limestone | St. Louis |
| 13LA37 | United States | New York | Limestone | Cottonwood Sta. |
| 13RA42 | United States | Kentucky | Limestone | Princeton |
| 13RQ | United States | Ohio | Sandstone | Glenmont |
| 8LA37 | United States | Missouri | Sandstone | Warrensburg |
| 8RB35 | United States | Connecticut | Sandstone | Portland |
| 9LB43 | United States | Washington | Sandstone | Tenino |
| 5LA4 | United States | Ohio | Sandstone | Norwalk |
| 6LB7 | United States | Pennsylvania | Sandstone | Yardleyville |
| 6RB29 | United States | Kentucky | Sandstone | Kirkmansville |
| 7Lb26 | United States | New York | Sandstone | Woodstock |
| 8LA39 | United States | Kansas | Sandstone | Oswego |
| 8RB40 | United States | New Jersey | Sandstone | Belleville |
| 10Lb36 | United States | Kansas | Sandstone | Pawnee |
| 10RB31 | United States | Texas | Sandstone | Mormon Mills |
| 11RB45 | United States | New Mexico | Sandstone | Las Vegas |
| 4R7 | Australia | Sandstone | New South Wales | |
| 6RA11 | United States | Pennsylvania | Sandstone | Layton Station Fayette Co. |
| 8RB45 | United States | Wisconsin | Sandstone | Packwaukee |
| 11RB46 | Canada | Sandstone | Cliffton, New Brunswick | |
| 3RQ | United States | Ohio | Sandstone | Amherst |
| 5La8 | United States | Ohio | Sandstone | Youngstown |
| 5RB5 | United States | Ohio | Sandstone | Brownhelm |
| 6RA12 | United States | Pennsylvania | Sandstone | Lucesco |
| 8LA45 | United States | Washington | Sandstone | Olymphia |
| 11RQ | United States | Ohio | Sandstone | Glenmont |
| 5RB6 | United States | Ohio | Sandstone | Cumberland |
| 6RA13 | United States | Pennsylvania | Sandstone | Goldsboro |
| 7RB19 | United States | Ohio | Sandstone | Amherst |
| 8La46 | United States | Washington | Sandstone | Wilkeson |
| 5RB7 | United States | Ohio | Sandstone | Cumberland |
| 6RA16 | United States | Pennsylvania | Sandstone | Goldsboro |
| 7L20 | United States | Ohio | Sandstone | Glenmont |
| 7LB43 | United States | Michigan | Sandstone | L'Anse |
| 7RB25 | United States | New York | Sandstone | Margarettville |
| 9RA36 | United States | West Virginia | Sandstone | Kingwood |
| 11LB30 | United States | Missouri | Sandstone | Butler |
| 5RA1 | United States | Ohio | Sandstone | Massillon |
| 6RA21 | United States | Ohio | Sandstone | Ridgeville |
| 7RB39 | United States | New Jersey | Sandstone | Avondale |
| 8RA20 | United States | Ohio | Sandstone | Elyria |