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Stone description: fine grain
| Wall Number | Country | State Sort ascending | Classification | Source |
|---|---|---|---|---|
| 14RB22 | United States | Iowa | Limestone | Stennett |
| 11LA16 | United States | Iowa | Dolomite | Anamosa |
| 13LA16 | United States | Iowa | Limestone | Fort Dodge |
| 13LB20 | United States | Iowa | Limestone | Mt. Pleasant |
| 11La17 | United States | Iowa | Dolomite | Lansing |
| 13LB21 | United States | Iowa | Limestone | Independence |
| 14RA23 | United States | Iowa | Limestone | Mason City |
| 11LA20 | United States | Iowa | Limestone | Bristow |
| 13LA19 | United States | Iowa | Limestone | Davenport |
| 14LB15 | United States | Iowa | Dolomite | Manchester |
| 14LA14 | United States | Iowa | Dolomite | Mt. Vernon |
| 13LA20 | United States | Iowa | Coral | Iowa City |
| 14LB16 | United States | Iowa | Dolomite | Clemont |
| 12RB15 | United States | Iowa | Dolomite | Sabula |
| 14LA15 | United States | Iowa | Dolomite | Waterloo |
| 9La10 | United States | Iowa | Limestone | Keosauque Station |
| 9RA44 | United States | Iowa | Sandstone | Davenport |
| 14LB17 | United States | Iowa | Dolomite | Monticello |
| 12RB16 | United States | Iowa | Dolomite | Humbolt |
| 14LA16 | United States | Iowa | Dolomite | Stone City |
| 9LA11 | United States | Iowa | Limestone | Corning |
| 12RB17 | United States | Iowa | Dolomite | Garrison |
| 14LB21 | United States | Iowa | Limestone | Dudley Sta. Wapello Co. |
| 14LB22 | United States | Iowa | Limestone | Dudley Sta. Wapello Co. |
| 14LA20 | United States | Iowa | Limestone | Mt. Pleasant |
| 13RB15 | United States | Iowa | Dolomite | Quarry, Marshall Co. |
| 14LA21 | United States | Iowa | Limestone | Marble Rock |
| 12RA16 | United States | Iowa | Dolomite | Farley |
| 13RB16 | United States | Iowa | Dolomite | Farley |
| 12RA17 | United States | Iowa | Dolomite | Garrison |
| 11RA14 | United States | Iowa | Dolomite | Lansing |
| 12LB16 | United States | Iowa | Dolomite | Cedar Falls |
| 11RA15 | United States | Iowa | Dolomite | Olin |
| 12LB17 | United States | Iowa | Dolomite | Dakota Sta. |
| 9RB9 | United States | Iowa | Limestone | Mt. Pleasant |
| 12RA21 | United States | Iowa | Limestone | Marshalltown |
| 10LB13 | United States | Iowa | Limestone | Marble Rock |
| 9RA11 | United States | Iowa | Limestone | Sigourney Station, Keokuk Co. |
| 13RA13 | United States | Iowa | Dolomite | Humbolt |
| 13RA14 | United States | Iowa | Dolomite | Dixon Sta. |
| 13RA15 | United States | Iowa | Dolomite | Ames Station Story Co. |
| 10LA20 | United States | Iowa | Limestone | Iowa Falls |
| 14RB12 | United States | Indiana | Limestone | Oakdale |
| 12LA1 | United States | Indiana | Dolomite | Greensburgh |
| 11La1 | United States | Indiana | Dolomite | St. Paul |
| 12RA33 | United States | Indiana | Limestone | Spencer |
| 12RA34 | United States | Indiana | Limestone | Oakalla |
| 13RB41 | United States | Indiana | Limestone | N. Vernon |
| 12RA35 | United States | Indiana | Limestone | Corydon |
| 12LB35 | United States | Indiana | Limestone | Bedford |
| 12LB36 | United States | Indiana | Limestone | Salem |
| 14LB1 | United States | Indiana | Dolomite | Montpelier |
| 12RB1 | United States | Indiana | Dolomite | Decatur |
| 14LA1 | United States | Indiana | Dolomite | Logansport |
| 12RA1 | United States | Indiana | Limestone | Bedford |
| 12LA34 | United States | Indiana | Limestone | Corydon |
| 9RB39 | United States | Indiana | Sandstone | Paoli |
| 11RA1 | United States | Indiana | Dolomite | Wabash |
| 9RB40 | United States | Indiana | Sandstone | Attica |
| 8RA14 | United States | Indiana | Limestone | Avoca |
| 8RA15 | United States | Indiana | Limestone | Putnamville |
| 9LB40 | United States | Indiana | Sandstone | French Lick Twp. |
| 9LA38 | United States | Indiana | Sandstone | Cannelton |
| 9LA39 | United States | Indiana | Sandstone | French Lick Twp. |
| 11LB1 | United States | Indiana | Dolomite | Longwood |
| 14RB1 | United States | Indiana | Dolomite | Bluffton |
| 8LA14 | United States | Indiana | Limestone | Kokomo |
| 14RA1 | United States | Indiana | Dolomite | Anderson |
| 12RA30 | United States | Illinois | Limestone | Joliet |
| 13RB38 | United States | Illinois | Limestone | Sagetown |
| 11RB1 | United States | Illinois | Dolomite | Joilet |
| 13RB39 | United States | Illinois | Limestone | Columbia |
| 13RA2 | United States | Illinois | Dolomite | Lemont |
| 12LB3 | United States | Illinois | Dolomite | Lemont |
| 13LB2 | United States | Illinois | Dolomite | Lemont |
| 14RA2 | United States | Illinois | Dolomite | Joilet |
| 14RA3 | United States | Illinois | Dolomite | Saline |
| 9RA41 | United States | Illinois | Sandstone | Carbondale |
| 13LA2 | United States | Illinois | Dolomite | Lemont |
| 12LA3 | United States | Illinois | Dolomite | Joilet |
| 9RA42 | United States | Illinois | Sandstone | Xenia |
| 14RB4 | United States | Illinois | Dolomite | Kankakee |
| 12LA31 | United States | Illinois | Limestone | Joliet |
| 14RA4 | United States | Illinois | Dolomite | Sag's Bridge |
| 13LB42 | United States | Illinois | Limestone | Iuka |
| 14LA2 | United States | Illinois | Dolomite | Aurora |
| 13LA42 | United States | Illinois | Limestone | Quincy |
| 14LA3 | United States | Illinois | Dolomite | Joilet |
| 13RB2 | United States | Illinois | Dolomite | Joilet |
| 14LB4 | United States | Illinois | Dolomite | Chicago |
| 12RB34 | United States | Illinois | Limestone | Belknap |
| 11RA3 | United States | Illinois | Dolomite | Lemont |
| 12RB4 | United States | Illinois | Limestone | Breese |
| 9LA40 | United States | Illinois | Sandstone | Pinckneyville |
| 9LA41 | United States | Illinois | Sandstone | Chester |
| 9LA42 | United States | Illinois | Sandstone | Chester |
| 12RA3 | United States | Illinois | Dolomite | Chicago |
| 11LA10 | United States | Georgia | Marble | Catoosa Co. |
| 5RA31 | United States | Georgia | Gneiss | Atlanta |
| 5LB30 | United States | Georgia | Granite | Ogelsby |