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Stone description: Lower Silurian
| Wall Number Sort descending | Country | State | Classification | Source |
|---|---|---|---|---|
| 13RA38 | United States | Pennsylvania | Marble | Howellsville |
| 13RA40 | United States | Maryland | Marble | Cockeysville |
| 13RA7 | United States | Minnesota | Dolomite | Mankato |
| 13RB1 | United States | Vermont | Marble | Pittsford |
| 13RB17 | United States | Vermont | Marble | W. Rutland |
| 13RB18 | United States | Vermont | Marble | W. Rutland |
| 13RB19 | United States | Vermont | Marble | Center Rutland |
| 13RB20 | United States | Vermont | Marble | W. Rutland |
| 13RB21 | United States | Vermont | Marble | Center Rutland |
| 13RB28 | United States | Tennessee | Marble | Knoxville |
| 13RB29 | United States | Tennessee | Marble | Knoxville |
| 13RB3 | United States | Tennessee | Marble | Calhoun |
| 13RB36 | United States | Pennsylvania | Limestone | N. Annville |
| 13RB37 | United States | Pennsylvania | Limestone | Myerstown |
| 13RB6 | United States | New York | Limestone | Willsborough |
| 13RB8 | United States | Pennsylvania | Limestone | Morrell |
| 13RB9 | United States | Pennsylvania | Dolomite | Potts Landing Berk's Co. |
| 14La10 | United States | Pennsylvania | Dolomite | Kerberburgh |
| 14LA18 | United States | Vermont | Marble | S. Wallingford |
| 14La27 | United States | Tennessee | Marble | Rogersville |
| 14LA28 | United States | Tennessee | Marble | Knoxville |
| 14LA9 | United States | Pennsylvania | Limestone | Spruce Creek Huntingdon Co. |
| 14LB10 | United States | Pennsylvania | Marble | York |
| 14LB18 | United States | Vermont | Marble | Dorset |
| 14LB19 | United States | Vermont | Marble | Southerland Falls |
| 14LB28 | United States | Tennessee | Limestone | Davidson Co. |
| 14LB38 | United States | Pennsylvania | Limestone | Palmyra |
| 14Lb40 | United States | Pennsylvania | Marble | Bridgeport |
| 14LB42 | United States | Maryland | Marble | Cockeysville |
| 14LB5 | United States | Tennessee | Marble | Calhoun |
| 14LB8 | United States | New York | Limestone | S. Glenn Falls |
| 14LB9 | United States | Pennsylvania | Limestone | Flourtown |
| 14RA10 | United States | Pennsylvania | Dolomite | Mill Lane Chester Co. |
| 14RA27 | United States | Tennessee | Limestone | Nashville |
| 14RA5 | United States | Wisconsin | Dolomite | Buffalo Co. |
| 14RA6 | United States | Wisconsin | Dolomite | Neenah |
| 14RA7 | United States | New York | Limestone | Saratoga |
| 14RA8 | United States | Minnesota | Dolomite | Reading |
| 14RB10 | United States | Pennsylvania | Dolomite | Leaman Place Lancaster Co. |
| 14RB15 | United States | Iowa | Dolomite | Dubuque |
| 14RB19 | United States | Vermont | Marble | Pittsford |
| 14RB2 | United States | Vermont | Marble | Pittsford |
| 14RB29 | United States | Tennessee | Marble | Rogersville |
| 14RB38 | United States | Pennsylvania | Marble | Pine Grove Schuylkill Co. |
| 14RB47 | United States | Kentucky | Limestone | Bloomfield |
| 14RB6 | United States | New York | Limestone | Amsterdam |
| 14RB9 | United States | Pennsylvania | Dolomite | Chambersburg |
| 3L12 | United States | Tennessee | Marble | Knoxville |
| 3L13 | United States | Tennessee | Marble | Doughertyville |
| 3R12 | United States | Tennessee | Marble | Knoxville |
| 3R13 | United States | Tennessee | Marble | Doughertyville |
| 4LA16 | United States | Vermont | Marble | W. Rutland |
| 4LA17 | United States | Vermont | Marble | W. Rutland |
| 4La18 | United States | Vermont | Marble | Southerland Falls |
| 4LA20 | United States | Vermont | Marble | Center Rutland |
| 4LA21 | United States | Vermont | Marble | Center Rutland |
| 4Lb11 | United States | Tennessee | Limestone | Knoxville |
| 4RA16 | United States | Vermont | Marble | W. Rutland |
| 4RA17 | United States | Vermont | Marble | W. Rutland |
| 4RA18 | United States | Vermont | Marble | Southerland Falls |
| 4RA20 | United States | Vermont | Marble | Center Rutland |
| 4RA21 | United States | Vermont | Marble | Center Rutland |
| 5RB26 | United States | Maryland | Conglomerate | Cumberland |
| 6RA2 | United States | Pennsylvania | Sandstone | Columbia |
| 7La12 | United States | Pennsylvania | Limestone | Hummelstown |
| 7La13 | United States | Pennsylvania | Limestone | East Conshohocken |
| 7La14 | United States | Pennsylvania | Limestone | Wernersville |
| 7La15 | United States | Pennsylvania | Limestone | Lebanon |
| 7La16 | United States | Pennsylvania | Limestone | Lebanon |
| 7LA44 | United States | Michigan | Sandstone | Marquette |
| 7RA12 | United States | Georgia | Marble | Tate |
| 7RA13 | United States | Pennsylvania | Limestone | Harrisburg |
| 7RA15 | United States | Pennsylvania | Limestone | Lebanon |
| 7RA16 | United States | Pennsylvania | Limestone | Wernersville |
| 7RA30 | United States | Texas | Sandstone | Burnet |
| 7RA32 | United States | Minnesota | Sandstone | Dresback |
| 7RB42 | United States | Michigan | Sandstone | Marquette |
| 8LA34 | United States | Minnesota | Sandstone | Fond Du Lac |
| 8La4 | United States | Tennessee | Marble | Meadow |
| 8La5 | United States | Tennessee | Marble | Mooresburgh |
| 8LB17 | United States | Pennsylvania | Limestone | Richland Station Lebanon Co. |
| 8LB34 | United States | Minnesota | Sandstone | Mendota |
| 8Lb4 | United States | Tennessee | Marble | Rogersville |
| 8LB42 | United States | New Jersey | Sandstone | Quarryville |
| 8Lb5 | United States | Tennessee | Marble | Rogersville |
| 8RA4 | United States | Tennessee | Limestone | Nolensville Pike |
| 8RA5 | United States | Tennessee | Marble | Knoxville |
| 8RA6 | United States | New York | Limestone | Sandy Hill |
| 8RB16 | United States | Wisconsin | Limestone | Madison |
| 8RB17 | United States | Pennsylvania | Limestone | Mertztown |
| 8RB32 | United States | Texas | Sandstone | Back Bone Valley |
| 8RB34 | United States | Minnesota | Sandstone | Dakota |
| 8RB4 | United States | Tennessee | Marble | Cleveland |
| 8RB45 | United States | Wisconsin | Sandstone | Packwaukee |
| 8RB5 | United States | Tennessee | Marble | Whitesburgh |
| 8RB6 | United States | Tennessee | Marble | Davidson Co. |
| 9La7 | United States | Vermont | Marble | Rutland |
| 9La8 | United States | Vermont | Marble | Southerland Falls |
| 9LB15 | United States | Massachusetts | Marble | Stockbridge |
| 9Lb2 | United States | Tennessee | Marble | Rogersville |