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Stone description: fine grain
| Wall Number | Country | State Sort descending | Classification | Source |
|---|---|---|---|---|
| 14LB21 | United States | Iowa | Limestone | Dudley Sta. Wapello Co. |
| 14LB22 | United States | Iowa | Limestone | Dudley Sta. Wapello Co. |
| 13RB15 | United States | Iowa | Dolomite | Quarry, Marshall Co. |
| 14LA20 | United States | Iowa | Limestone | Mt. Pleasant |
| 12RA16 | United States | Iowa | Dolomite | Farley |
| 13RB16 | United States | Iowa | Dolomite | Farley |
| 14LA21 | United States | Iowa | Limestone | Marble Rock |
| 12RA17 | United States | Iowa | Dolomite | Garrison |
| 11RA14 | United States | Iowa | Dolomite | Lansing |
| 12LB16 | United States | Iowa | Dolomite | Cedar Falls |
| 9RA9 | United States | Iowa | Limestone | Tracey Station, Marion Co. |
| 11RA15 | United States | Iowa | Dolomite | Olin |
| 12LB17 | United States | Iowa | Dolomite | Dakota Sta. |
| 12RA21 | United States | Iowa | Limestone | Marshalltown |
| 9RB10 | United States | Iowa | Limestone | Davenport |
| 10LB13 | United States | Iowa | Limestone | Marble Rock |
| 9RB12 | United States | Iowa | Limestone | Independence |
| 9RA11 | United States | Iowa | Limestone | Sigourney Station, Keokuk Co. |
| 13RA13 | United States | Iowa | Dolomite | Humbolt |
| 13RA14 | United States | Iowa | Dolomite | Dixon Sta. |
| 10LA20 | United States | Iowa | Limestone | Iowa Falls |
| 13RA15 | United States | Iowa | Dolomite | Ames Station Story Co. |
| 13RA16 | United States | Iowa | Dolomite | Stone City |
| 13LB13 | United States | Iowa | Limestone | Mason City |
| 13RA18 | United States | Iowa | Limestone | Vinton |
| 11LB20 | United States | Iowa | Limestone | Iowa Falls |
| 13LB14 | United States | Iowa | Dolomite | Delphi |
| 14RB15 | United States | Iowa | Dolomite | Dubuque |
| 13LB15 | United States | Iowa | Dolomite | Buffalo |
| 14RA14 | United States | Iowa | Dolomite | Ames Station Story Co. |
| 13RA20 | United States | Iowa | Limestone | Sigourney Station, Keokuk Co. |
| 14RB16 | United States | Iowa | Dolomite | Franklin |
| 13LB16 | United States | Iowa | Limestone | Decorah |
| 14RA16 | United States | Iowa | Dolomite | Franklin |
| 9LB12 | United States | Iowa | Limestone | Earlham |
| 14RB17 | United States | Iowa | Dolomite | Quarry, Marshall Co. |
| 12LA15 | United States | Iowa | Dolomite | Marshalltown |
| 14RA17 | United States | Iowa | Limestone | Waverly |
| 9LB14 | United States | Iowa | Limestone | Fairfield |
| 12LA17 | United States | Iowa | Dolomite | La Porte |
| 14RA18 | United States | Iowa | Dolomite | Delphi |
| 13LA14 | United States | Iowa | Dolomite | La Porte |
| 14RB21 | United States | Iowa | Limestone | Pella Station, Marion Co. |
| 11La14 | United States | Iowa | Limestone | Charles City |
| 13LA15 | United States | Iowa | Dolomite | St. Claire |
| 14RB22 | United States | Iowa | Limestone | Stennett |
| 13LB20 | United States | Iowa | Limestone | Mt. Pleasant |
| 11LA16 | United States | Iowa | Dolomite | Anamosa |
| 13LA16 | United States | Iowa | Limestone | Fort Dodge |
| 13LB21 | United States | Iowa | Limestone | Independence |
| 14RA23 | United States | Iowa | Limestone | Mason City |
| 11La17 | United States | Iowa | Dolomite | Lansing |
| 11LA20 | United States | Iowa | Limestone | Bristow |
| 13LA19 | United States | Iowa | Limestone | Davenport |
| 14LB15 | United States | Iowa | Dolomite | Manchester |
| 13LA20 | United States | Iowa | Coral | Iowa City |
| 14LB16 | United States | Iowa | Dolomite | Clemont |
| 14LA14 | United States | Iowa | Dolomite | Mt. Vernon |
| 14LB17 | United States | Iowa | Dolomite | Monticello |
| 9La10 | United States | Iowa | Limestone | Keosauque Station |
| 9RA44 | United States | Iowa | Sandstone | Davenport |
| 12RB15 | United States | Iowa | Dolomite | Sabula |
| 14LA15 | United States | Iowa | Dolomite | Waterloo |
| 9LA11 | United States | Iowa | Limestone | Corning |
| 12RB16 | United States | Iowa | Dolomite | Humbolt |
| 14LA16 | United States | Iowa | Dolomite | Stone City |
| 9LA13 | United States | Kansas | Limestone | Manhattan |
| 10RA12 | United States | Kansas | Dolomite | Richland Twp. Butler Co. |
| 14LB26 | United States | Kansas | Limestone | Irving |
| 12RB22 | United States | Kansas | Limestone | Wilson |
| 10RA22 | United States | Kansas | Limestone | Smoky Hill Reservation |
| 10RA23 | United States | Kansas | Limestone | Eldorado |
| 10La9 | United States | Kansas | Dolomite | Marion Center |
| 11LA8 | United States | Kansas | Limestone | Florence |
| 11LB10 | United States | Kansas | Limestone | Leavenworth |
| 12LB22 | United States | Kansas | Limestone | Junction City |
| 10RA31 | United States | Kansas | Sandstone | Parsons |
| 12LB23 | United States | Kansas | Limestone | Rock Twp. Butler Co. |
| 10RA32 | United States | Kansas | Sandstone | Parsons |
| 10RA33 | United States | Kansas | Sandstone | Neodesha |
| 11RB9 | United States | Kansas | Dolomite | Marion Center |
| 10LA24 | United States | Kansas | Limestone | Grenola |
| 11RB10 | United States | Kansas | Dolomite | Marysville |
| 10LA37 | United States | Kansas | Sandstone | Chanute |
| 11LA23 | United States | Kansas | Limestone | Eldorado |
| 13LA25 | United States | Kansas | Limestone | Winfield |
| 14RB46 | United States | Kentucky | Limestone | Stewart's Mill Clark Co. |
| 13LB43 | United States | Kentucky | Limestone | Litchfield |
| 13LB44 | United States | Kentucky | Limestone | Lincoln Co. |
| 6La30 | United States | Kentucky | Sandstone | Livingstone |
| 12LB12 | United States | Kentucky | Dolomite | Louisville |
| 14RB47 | United States | Kentucky | Limestone | Bloomfield |
| 7LA28 | United States | Kentucky | Sandstone | Grayson Spgs |
| 13LA43 | United States | Kentucky | Limestone | Grahampton |
| 8RA17 | United States | Kentucky | Limestone | Franklin |
| 13LA44 | United States | Kentucky | Limestone | Franklin |
| 13La46 | United States | Kentucky | Limestone | Livingstone |
| 14LB44 | United States | Kentucky | Limestone | Frankford Franklin Co. |
| 14LB45 | United States | Kentucky | Limestone | Pineville |
| 14LB47 | United States | Kentucky | Limestone | Pineville |