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Stone description: Lower Silurian
| Wall Number | Country | State Sort descending | Classification | Source |
|---|---|---|---|---|
| 12lb39 | United States | Alabama | Limestone | Calera |
| 7RA12 | United States | Georgia | Marble | Tate |
| 12RA30 | United States | Illinois | Limestone | Joliet |
| 12LA31 | United States | Illinois | Limestone | Joliet |
| 11La17 | United States | Iowa | Dolomite | Lansing |
| 13LB16 | United States | Iowa | Limestone | Decorah |
| 11RB15 | United States | Iowa | Dolomite | Lansing |
| 14RB15 | United States | Iowa | Dolomite | Dubuque |
| 14RB47 | United States | Kentucky | Limestone | Bloomfield |
| 14LB42 | United States | Maryland | Marble | Cockeysville |
| 5RB26 | United States | Maryland | Conglomerate | Cumberland |
| 13RA40 | United States | Maryland | Marble | Cockeysville |
| 9RB15 | United States | Massachusetts | Marble | Alford |
| 13LB33 | United States | Massachusetts | Marble | Alford |
| 9LB15 | United States | Massachusetts | Marble | Stockbridge |
| 7RB42 | United States | Michigan | Sandstone | Marquette |
| 10LA49 | United States | Michigan | Quartzite | Vulcan |
| 7LA44 | United States | Michigan | Sandstone | Marquette |
| 12LA8 | United States | Minnesota | Dolomite | Frontenac |
| 8LA34 | United States | Minnesota | Sandstone | Fond Du Lac |
| 13LA7 | United States | Minnesota | Dolomite | Stillwater |
| 8LB34 | United States | Minnesota | Sandstone | Mendota |
| 11LA6 | United States | Minnesota | Dolomite | Kasota |
| 12LB8 | United States | Minnesota | Dolomite | Kasota |
| 13LB32 | United States | Minnesota | Limestone | Canon City |
| 13LB7 | United States | Minnesota | Dolomite | Canon City |
| 12RA9 | United States | Minnesota | Dolomite | Kasota |
| 8RB34 | United States | Minnesota | Sandstone | Dakota |
| 13RA7 | United States | Minnesota | Dolomite | Mankato |
| 14RA8 | United States | Minnesota | Dolomite | Reading |
| 12RB9 | United States | Minnesota | Dolomite | Winona |
| 9RA16 | United States | Minnesota | Limestone | St. Paul |
| 9RA33 | United States | Minnesota | Sandstone | Jordan |
| 7RA32 | United States | Minnesota | Sandstone | Dresback |
| 11RA12 | United States | Missouri | Dolomite | Bowling Green |
| 11RA13 | United States | Missouri | Dolomite | De Soto |
| 11RB21 | United States | Missouri | Marble | Cape Girardeau |
| 13LB12 | United States | New Jersey | Dolomite | Newton |
| 8LB42 | United States | New Jersey | Sandstone | Quarryville |
| 12LA7 | United States | New York | Limestone | Canajoharie |
| 14RB6 | United States | New York | Limestone | Amsterdam |
| 13RB6 | United States | New York | Limestone | Willsborough |
| 9RB27 | United States | New York | Sandstone | Potsdam |
| 8RA6 | United States | New York | Limestone | Sandy Hill |
| 14LB8 | United States | New York | Limestone | S. Glenn Falls |
| 12RB30 | United States | New York | Marble | Chazy |
| 9Lb29 | United States | New York | Sandstone | Schenectady |
| 14RA7 | United States | New York | Limestone | Saratoga |
| 11RB6 | United States | New York | Marble | S. Glenn Falls |
| 11RB7 | United States | New York | Limestone | Three Mile Bay |
| 10RA10 | United States | New York | Limestone | Prescott |
| 13RB36 | United States | Pennsylvania | Limestone | N. Annville |
| 13RB37 | United States | Pennsylvania | Limestone | Myerstown |
| 14RB9 | United States | Pennsylvania | Dolomite | Chambersburg |
| 12LA9 | United States | Pennsylvania | Dolomite | Orbisonia |
| 13LA8 | United States | Pennsylvania | Dolomite | Plymouth |
| 13RB8 | United States | Pennsylvania | Limestone | Morrell |
| 13RB9 | United States | Pennsylvania | Dolomite | Potts Landing Berk's Co. |
| 8LB17 | United States | Pennsylvania | Limestone | Richland Station Lebanon Co. |
| 14La10 | United States | Pennsylvania | Dolomite | Kerberburgh |
| 11LA7 | United States | Pennsylvania | Marble | Cedar Hollow Lime Co. |
| 14LA9 | United States | Pennsylvania | Limestone | Spruce Creek Huntingdon Co. |
| 12RA10 | United States | Pennsylvania | Marble | Wrightsville |
| 14LB10 | United States | Pennsylvania | Marble | York |
| 13LB39 | United States | Pennsylvania | Limestone | Paxton Station Dauphin Co. |
| 11LB6 | United States | Pennsylvania | Dolomite | Harrisburg |
| 8RB17 | United States | Pennsylvania | Limestone | Mertztown |
| 11LB7 | United States | Pennsylvania | Dolomite | Reading |
| 13Lb8 | United States | Pennsylvania | Marble | Lancaster |
| 14LB38 | United States | Pennsylvania | Limestone | Palmyra |
| 14Lb40 | United States | Pennsylvania | Marble | Bridgeport |
| 12RB10 | United States | Pennsylvania | Dolomite | Williams's Station Berk's Co. |
| 13RA37 | United States | Pennsylvania | Limestone | Richland Station Lebanon Co. |
| 6RA2 | United States | Pennsylvania | Sandstone | Columbia |
| 14LB9 | United States | Pennsylvania | Limestone | Flourtown |
| 13RA38 | United States | Pennsylvania | Marble | Howellsville |
| 7La12 | United States | Pennsylvania | Limestone | Hummelstown |
| 14RA10 | United States | Pennsylvania | Dolomite | Mill Lane Chester Co. |
| 7La13 | United States | Pennsylvania | Limestone | East Conshohocken |
| 7La14 | United States | Pennsylvania | Limestone | Wernersville |
| 10La8 | United States | Pennsylvania | Dolomite | Easton |
| 7La15 | United States | Pennsylvania | Limestone | Lebanon |
| 7La16 | United States | Pennsylvania | Limestone | Lebanon |
| 12RB31 | United States | Pennsylvania | Marble | Morristown |
| 14RB10 | United States | Pennsylvania | Dolomite | Leaman Place Lancaster Co. |
| 7RA13 | United States | Pennsylvania | Limestone | Harrisburg |
| 7RA15 | United States | Pennsylvania | Limestone | Lebanon |
| 10RA11 | United States | Pennsylvania | Dolomite | York |
| 7RA16 | United States | Pennsylvania | Limestone | Wernersville |
| 14RB38 | United States | Pennsylvania | Marble | Pine Grove Schuylkill Co. |
| 10RA8 | United States | Tennessee | Marble | Calhoun |
| 8La4 | United States | Tennessee | Marble | Meadow |
| 3L12 | United States | Tennessee | Marble | Knoxville |
| 9RB2 | United States | Tennessee | Marble | Knoxville |
| 8La5 | United States | Tennessee | Marble | Mooresburgh |
| 3L13 | United States | Tennessee | Marble | Doughertyville |
| 3R12 | United States | Tennessee | Marble | Knoxville |
| 9RB3 | United States | Tennessee | Marble | Knoxville |
| 11LA24 | United States | Tennessee | Marble | Knoxville |
| 3R13 | United States | Tennessee | Marble | Doughertyville |