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Stone description: fine grain
| Wall Number | Country | State | Classification | Source Sort ascending |
|---|---|---|---|---|
| 8LA24 | United States | North Carolina | Sandstone | Sanford |
| 8RA6 | United States | New York | Limestone | Sandy Hill |
| 13RB10 | United States | Ohio | Dolomite | Sandusky |
| 13LB9 | United States | Ohio | Dolomite | Sandusky |
| 14RB13 | United States | Ohio | Dolomite | Sandusky |
| 13LA26 | United States | Texas | Limestone | San Saba |
| 8Lb13 | United States | Texas | Marble | San Saba |
| 14La4 | United States | Texas | Dolomite | San Saba |
| 11Lb13 | United States | Utah | Dolomite | San Pete Valley |
| 10RB35 | Mexico | Pumice | San Juan, Pueblo State | |
| 14RA26 | Austria | Marble | Salzburg | |
| 7RB6 | Austria | Marble | Salzburg | |
| 11Lb35 | United States | Virginia | Sandstone | Saltville |
| 14RA46 | Portugal | Marble | Salmanha, Coimbra | |
| 6RB24 | United States | North Carolina | Granite | Salisbury |
| 14RA3 | United States | Illinois | Dolomite | Saline |
| 5LA31 | United States | Colorado | Granite | Salida |
| 12LB36 | United States | Indiana | Limestone | Salem |
| 13RB38 | United States | Illinois | Limestone | Sagetown |
| 14RA4 | United States | Illinois | Dolomite | Sag's Bridge |
| 12RB15 | United States | Iowa | Dolomite | Sabula |
| 14LA18 | United States | Vermont | Marble | S. Wallingford |
| 14LB8 | United States | New York | Limestone | S. Glenn Falls |
| 11RB6 | United States | New York | Marble | S. Glenn Falls |
| 6RB47 | United States | Vermont | Granite | Ryegate |
| 13LA17 | United States | Vermont | Marble | Rutland |
| 9RB8 | United States | Vermont | Marble | Rutland |
| 13LA18 | United States | Vermont | Marble | Rutland |
| 9RA8 | United States | Vermont | Marble | Rutland |
| 12RA2 | United States | Vermont | Marble | Rutland |
| 9La7 | United States | Vermont | Marble | Rutland |
| 12LB37 | United States | Kentucky | Limestone | Russelville |
| 10LA43 | United States | New Hampshire | Granite | Rumney |
| 10LB34 | United States | Connecticut | Gneiss | Roxbury |
| 1L5 | United States | Connecticut | Granite | Roxbury |
| 11LB40 | United States | Vermont | Marble | Roxbury |
| 10RA35 | United States | New Hampshire | Granite | Roxbury |
| 8Lb40 | United States | West Virginia | Sandstone | Rowlesburgh |
| 6RB16 | United States | Pennsylvania | Diabase | Round Top Gettysburg |
| 14Lb27 | United States | Texas | Limestone | Round Rock |
| 7LA24 | United States | Maine | Granite | Round Pond |
| 13RA47 | United States | Alabama | Limestone | Rockwood |
| 2c | United States | Alabama | Limestone | Rockwood |
| 16C | United States | Alabama | Limestone | Rockwood |
| 8LB37 | United States | Missouri | Sandstone | Rockville |
| 5LA15 | United States | Ohio | Sandstone | Rockville |
| 5LA29 | United States | California | Granite | Rocklin |
| 12LB23 | United States | Kansas | Limestone | Rock Twp. Butler Co. |
| 5LA42 | United States | New Jersey | Diabase | Rock Church |
| 11RA7 | United States | New York | Dolomite | Rochester |
| 8RB7 | United States | Nebraska | Limestone | Roca |
| 8LB6 | United States | Nebraska | Limestone | Roca |
| 11RA23 | United States | Nebraska | Limestone | Roca |
| 13LA4 | United States | Wisconsin | Dolomite | River Falls Pierce Co. |
| 10RB17 | Spain | Limestone | Ricla, Saragossa | |
| 13LA35 | Spain | Limestone | Ricla, Saragossa | |
| 10RA12 | United States | Kansas | Dolomite | Richland Twp. Butler Co. |
| 13RA37 | United States | Pennsylvania | Limestone | Richland Station Lebanon Co. |
| 8LB17 | United States | Pennsylvania | Limestone | Richland Station Lebanon Co. |
| 1R4 | United States | Connecticut | Granite | Reynold's Bridge |
| 8LB29 | United States | New York | Sandstone | Reedsville |
| 11LA5 | United States | Minnesota | Limestone | Red Wing |
| 10RB19 | United States | North Carolina | Marble | Red Marble Gap |
| 11Lb32 | United States | Utah | Sandstone | Red Butte |
| 6RB14 | United States | Pennsylvania | Diabase | Reading |
| 11LB7 | United States | Pennsylvania | Dolomite | Reading |
| 14RA8 | United States | Minnesota | Dolomite | Reading |
| 9RA39 | United States | Wyoming | Sandstone | Rawlins |
| 9RA40 | United States | Wyoming | Diorite | Raw Hide Buttes |
| 8La41 | United States | Mississippi | Sandstone | Rankin Co. |
| 9La32 | United States | Texas | Sandstone | Range |
| 8LB25 | United States | North Carolina | Gneiss | Raleigh |
| 11LA2 | United States | Michigan | Dolomite | Raisinville |
| 13LB4 | United States | Wisconsin | Dolomite | Racine |
| 5RB10 | United States | Massachusetts | Granite | Quincy Adams |
| 13LA42 | United States | Illinois | Limestone | Quincy |
| 6LA18 | United States | Pennsylvania | Sandstone | Queens Run Clinton Co. |
| 8LB42 | United States | New Jersey | Sandstone | Quarryville |
| 14RB17 | United States | Iowa | Dolomite | Quarry, Marshall Co. |
| 13RB15 | United States | Iowa | Dolomite | Quarry, Marshall Co. |
| 8RA15 | United States | Indiana | Limestone | Putnamville |
| 9RB28 | United States | New York | Sandstone | Pultney |
| 5LB36 | Mexico | Basalt | Puebla State | |
| 5RB37 | Mexico | Basalt | Puebla State | |
| 12LA11 | United States | Ohio | Dolomite | Pt. Marblehead |
| 6LB6 | United States | Pennsylvania | Sandstone | Prospect |
| 11RB38 | United States | New Jersey | Sandstone | Princetown |
| 12LB29 | United States | Wisconsin | Limestone | Prairie du Chien |
| 7LB24 | United States | Maine | Granite | Pownal |
| 13RB9 | United States | Pennsylvania | Dolomite | Potts Landing Berk's Co. |
| 7Lb19 | United States | Ohio | Sandstone | Portsmouth |
| 8LA20 | United States | Ohio | Sandstone | Portsmouth |
| 7La2 | Portugal | Limestone | Porto Barrao, Coimbra | |
| 7RA33 | United States | Connecticut | Sandstone | Portland |
| 8RA35 | United States | Connecticut | Sandstone | Portland |
| 6LA46 | United States | Michigan | Sandstone | Portage Entry |
| 8RA1 | Portugal | Marble | Ponde do Espinal, Coimbra | |
| 9LA20 | United States | Pennsylvania | Sandstone | Pond Eddy |
| 5LA18 | United States | Ohio | Sandstone | Plymouth |
| 13LA8 | United States | Pennsylvania | Dolomite | Plymouth |