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Stone description: gray
| Wall Number | Country | State | Classification Sort descending | Source |
|---|---|---|---|---|
| 7LA21 | United States | North Carolina | Granite | Alamance Co. |
| 7LB41 | United States | Montana | Granite | Lewis & Clark Co. |
| 8LB24 | United States | North Carolina | Granite | Alamance Co. |
| 9La23 | United States | Massachusetts | Granite | Peabody |
| 9RB23 | United States | Maine | Granite | Hurricane Isl. |
| S2-51 | United States | Maine | Granite | Frankfort |
| 10Lb31 | United States | Maine | Granite | W. Sullivan |
| 10RA49 | United States | Tennessee | Granite | Carter Co. S. E. part |
| 5LB10 | United States | Massachusetts | Granite | Fitchburg |
| 5RA40 | United States | South Carolina | Granite | Rion |
| 6LB27 | United States | Maine | Granite | Frankfort |
| 6RA38 | United States | North Carolina | Granite | Gaston Co. |
| 7LA24 | United States | Maine | Granite | Round Pond |
| 7Lb42 | United States | New Hampshire | Granite | W. Concord |
| 8LB26 | United States | North Carolina | Granite | Charlotte |
| 11RB36 | United States | New Hampshire | Granite | Enfield |
| 5RA41 | United States | South Carolina | Granite | Newberry Co. |
| 6LB34 | United States | Minnesota | Granite | E. St. Cloud |
| 7LA25 | United States | Maine | Granite | Vinal Haven |
| S2-76 | United States | New Hampshire | Granite | Concord |
| 10LA20 | United States | Iowa | Limestone | Iowa Falls |
| 13LA27 | United States | Tennessee | Limestone | Nashville |
| 14LB22 | United States | Iowa | Limestone | Dudley Sta. Wapello Co. |
| 9LB14 | United States | Iowa | Limestone | Fairfield |
| 11RB7 | United States | New York | Limestone | Three Mile Bay |
| 13LB27 | United States | Tennessee | Limestone | Cowan |
| 14LB26 | United States | Kansas | Limestone | Irving |
| 1Lq | United States | Missouri | Limestone | Carthage |
| 8RA15 | United States | Indiana | Limestone | Putnamville |
| 10RA10 | United States | New York | Limestone | Prescott |
| 14LB28 | United States | Tennessee | Limestone | Davidson Co. |
| 3LQ | United States | Missouri | Limestone | Carthage |
| 8RA2 | Portugal | Limestone | Freguesias, Coimbra | |
| 12EE | United States | Indiana | Limestone | Bedford |
| 13LB42 | United States | Illinois | Limestone | Iuka |
| 14LB48 | United States | Missouri | Limestone | Carthage |
| 24WE | United States | Indiana | Limestone | Bedford |
| 8La11 | United States | Illinois | Limestone | Belknap |
| S3-1 | United States | Indiana | Limestone | Bedford |
| 12LA14 | United States | Missouri | Limestone | Kansas City |
| 14R49 | United States | Missouri | Limestone | Phenix |
| 8LA16 | United States | Kentucky | Limestone | Springfield |
| S3-10 | United States | Arkansas | Limestone | Batesville |
| 26EE | United States | Arkansas | Limestone | Batesville |
| 9RA10 | United States | Iowa | Limestone | Ottumwa |
| 13RA21 | United States | Iowa | Limestone | Bentonsport |
| 9RA12 | United States | Iowa | Limestone | Iowa City |
| S3-12 | United States | Missouri | Limestone | Carthage |
| 10RB6 | United States | Missouri | Limestone | Bear Creek Marion Co. |
| 14RB14 | United States | Iowa | Limestone | Le-Grand |
| 28WE | United States | Indiana | Limestone | Bedford |
| 9RA13 | United States | Kansas | Limestone | Lane |
| S1-8 | United States | Indiana | Limestone | Bedford |
| S3-2 | United States | Indiana | Limestone | Bedford |
| 13RB35 | United States | New York | Limestone | Williamsville |
| 14RB20 | United States | Iowa | Limestone | Winterset |
| 29WE | United States | Indiana | Limestone | Bloomington |
| 9RA16 | United States | Minnesota | Limestone | St. Paul |
| S1-9 | United States | Indiana | Limestone | Bedford |
| 11C | United States | Indiana | Limestone | Lawrence Co. |
| 11RA28 | United States | Tennessee | Limestone | Nashville |
| 13RB40 | United States | Illinois | Limestone | Chester |
| 2L17 | United States | Missouri | Limestone | Phenix |
| 8LA6 | United States | New York | Limestone | Louisville |
| S2-125 | United States | Kansas | Limestone | Cottonwood |
| S2-4 | United States | Indiana | Limestone | Bedford |
| 10C | United States | Indiana | Limestone | Bloomington |
| 11La14 | United States | Iowa | Limestone | Charles City |
| 14C | United States | Indiana | Limestone | Bedford |
| 14RB48 | United States | Missouri | Limestone | Carthage |
| 2R17 | United States | Missouri | Limestone | Phenix |
| S2-128 | United States | Indiana | Limestone | Bedford |
| S3-7 | United States | Arkansas | Limestone | Batesville |
| 11LA21 | United States | Missouri | Limestone | Pleasant Hill |
| 14EE | United States | Indiana | Limestone | Bedford |
| 15EE | United States | Indiana | Limestone | Bedford |
| 8LB16 | United States | Mississippi | Limestone | Teshomingo County |
| 8WE | United States | Missouri | Limestone | Carthage |
| 9RB11 | United States | Iowa | Limestone | Givin |
| S2-130 | United States | Indiana | Limestone | Bedford |
| S3-8 | United States | Indiana | Limestone | Bedford |
| 10la10 | United States | Ohio | Limestone | Bloomville |
| 11RA8 | United States | Pennsylvania | Limestone | Cove Statioan Bedford Co. |
| 14L49 | United States | Missouri | Limestone | Phenix |
| 30WE | United States | Indiana | Limestone | Bloomington |
| 5EE | United States | Alabama | Limestone | Rockwood |
| S2-5 | United States | Missouri | Limestone | Carthage |
| 12RB38 | United States | Kentucky | Limestone | Taylorsville |
| 14LA21 | United States | Iowa | Limestone | Marble Rock |
| 16EE | United States | Indiana | Limestone | Bedford |
| 31WE | United States | Indiana | Limestone | Bloomington |
| 11LB21 | United States | Missouri | Limestone | Paris |
| 12RB7 | United States | New York | Limestone | Indian Res. Onondaga Co. |
| 16WE | United States | Indiana | Limestone | Bedford |
| 32WE | United States | Arkansas | Limestone | Batesville |
| 6C | United States | Indiana | Limestone | ? |
| 10LA18 | United States | Iowa | Limestone | Marshalltown |
| 13LA21 | United States | Iowa | Limestone | Quarry, Marshall Co. |
| 14LB20 | United States | Iowa | Limestone | Knoxville |
| 9LB12 | United States | Iowa | Limestone | Earlham |