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Stone description: compact
| Wall Number | Country | State Sort descending | Classification | Source |
|---|---|---|---|---|
| 13RB41 | United States | Indiana | Limestone | N. Vernon |
| 14RB1 | United States | Indiana | Dolomite | Bluffton |
| 12LB36 | United States | Indiana | Limestone | Salem |
| 13RA19 | United States | Iowa | Limestone | Macedonia |
| 14RB14 | United States | Iowa | Limestone | Le-Grand |
| 13RA20 | United States | Iowa | Limestone | Sigourney Station, Keokuk Co. |
| 14RB15 | United States | Iowa | Dolomite | Dubuque |
| 12LA15 | United States | Iowa | Dolomite | Marshalltown |
| 13RA21 | United States | Iowa | Limestone | Bentonsport |
| 14RB16 | United States | Iowa | Dolomite | Franklin |
| 12LA17 | United States | Iowa | Dolomite | La Porte |
| 14RB20 | United States | Iowa | Limestone | Winterset |
| 12LA20 | United States | Iowa | Limestone | Iowa City |
| 14RB21 | United States | Iowa | Limestone | Pella Station, Marion Co. |
| 12LA21 | United States | Iowa | Limestone | Tipton |
| 14LA15 | United States | Iowa | Dolomite | Waterloo |
| 14RB22 | United States | Iowa | Limestone | Stennett |
| 14LA17 | United States | Iowa | Dolomite | Keokuk |
| 14RB23 | United States | Iowa | Limestone | Montour |
| 12RA17 | United States | Iowa | Dolomite | Garrison |
| 13LB13 | United States | Iowa | Limestone | Mason City |
| 12RA21 | United States | Iowa | Limestone | Marshalltown |
| 13LB14 | United States | Iowa | Dolomite | Delphi |
| 14LA20 | United States | Iowa | Limestone | Mt. Pleasant |
| 13LB15 | United States | Iowa | Dolomite | Buffalo |
| 14LA21 | United States | Iowa | Limestone | Marble Rock |
| 11LB20 | United States | Iowa | Limestone | Iowa Falls |
| 13LB16 | United States | Iowa | Limestone | Decorah |
| 14LA22 | United States | Iowa | Limestone | Davenport |
| 9LA9 | United States | Iowa | Limestone | Burlington |
| 9RB10 | United States | Iowa | Limestone | Davenport |
| 9LB10 | United States | Iowa | Limestone | Bristow |
| 9RB11 | United States | Iowa | Limestone | Givin |
| 10RB12 | United States | Iowa | Limestone | Iowa City |
| 13LB20 | United States | Iowa | Limestone | Mt. Pleasant |
| 9LB11 | United States | Iowa | Limestone | Durham Sta. Marion Co. |
| 14RA16 | United States | Iowa | Dolomite | Franklin |
| 9RB12 | United States | Iowa | Limestone | Independence |
| 10RB13 | United States | Iowa | Limestone | Blansett |
| 11RB20 | United States | Iowa | Limestone | Burlington |
| 13LB21 | United States | Iowa | Limestone | Independence |
| 9LB12 | United States | Iowa | Limestone | Earlham |
| 10LA19 | United States | Iowa | Limestone | Bedford |
| 13RB15 | United States | Iowa | Dolomite | Quarry, Marshall Co. |
| 14RA17 | United States | Iowa | Limestone | Waverly |
| 9RB13 | United States | Iowa | Limestone | Conrad |
| 9LB13 | United States | Iowa | Limestone | Burlington |
| 10LA20 | United States | Iowa | Limestone | Iowa Falls |
| 14RA18 | United States | Iowa | Dolomite | Delphi |
| 9RB14 | United States | Iowa | Limestone | Tipton |
| 9LB14 | United States | Iowa | Limestone | Fairfield |
| 13LA14 | United States | Iowa | Dolomite | La Porte |
| 14RA21 | United States | Iowa | Limestone | Washington |
| 13LA15 | United States | Iowa | Dolomite | St. Claire |
| 14RA22 | United States | Iowa | Limestone | Winterset |
| 13LA16 | United States | Iowa | Limestone | Fort Dodge |
| 14RA23 | United States | Iowa | Limestone | Mason City |
| 13LA19 | United States | Iowa | Limestone | Davenport |
| 14RA24 | United States | Iowa | Limestone | Bedford |
| 12LB16 | United States | Iowa | Dolomite | Cedar Falls |
| 13LA20 | United States | Iowa | Coral | Iowa City |
| 12LB17 | United States | Iowa | Dolomite | Dakota Sta. |
| 13LA21 | United States | Iowa | Limestone | Quarry, Marshall Co. |
| 14LB14 | United States | Iowa | Dolomite | Osage Sta. |
| 11RA15 | United States | Iowa | Dolomite | Olin |
| 11La14 | United States | Iowa | Limestone | Charles City |
| 14LB15 | United States | Iowa | Dolomite | Manchester |
| 11RA16 | United States | Iowa | Dolomite | Osage Sta. |
| 11La17 | United States | Iowa | Dolomite | Lansing |
| 14LB17 | United States | Iowa | Dolomite | Monticello |
| 11RA19 | United States | Iowa | Limestone | Montour |
| 11LA20 | United States | Iowa | Limestone | Bristow |
| 14LB20 | United States | Iowa | Limestone | Knoxville |
| 10LB13 | United States | Iowa | Limestone | Marble Rock |
| 9La10 | United States | Iowa | Limestone | Keosauque Station |
| 12RB15 | United States | Iowa | Dolomite | Sabula |
| 14LB21 | United States | Iowa | Limestone | Dudley Sta. Wapello Co. |
| 9LB9 | United States | Iowa | Limestone | Earlham |
| 9LA11 | United States | Iowa | Limestone | Corning |
| 9RB9 | United States | Iowa | Limestone | Mt. Pleasant |
| 12RB16 | United States | Iowa | Dolomite | Humbolt |
| 13RA13 | United States | Iowa | Dolomite | Humbolt |
| 14LB22 | United States | Iowa | Limestone | Dudley Sta. Wapello Co. |
| 9RA10 | United States | Iowa | Limestone | Ottumwa |
| 9LA12 | United States | Iowa | Limestone | Earlham |
| 12RB17 | United States | Iowa | Dolomite | Garrison |
| 13RA15 | United States | Iowa | Dolomite | Ames Station Story Co. |
| 9RA11 | United States | Iowa | Limestone | Sigourney Station, Keokuk Co. |
| 11RA26 | United States | Kansas | Limestone | Atchison |
| 9LA13 | United States | Kansas | Limestone | Manhattan |
| 9RA13 | United States | Kansas | Limestone | Lane |
| 12RB22 | United States | Kansas | Limestone | Wilson |
| 12RB23 | United States | Kansas | Limestone | Oswego |
| 10Lb36 | United States | Kansas | Sandstone | Pawnee |
| 11LA8 | United States | Kansas | Limestone | Florence |
| 11LB10 | United States | Kansas | Limestone | Leavenworth |
| 10RA12 | United States | Kansas | Dolomite | Richland Twp. Butler Co. |
| 10RA23 | United States | Kansas | Limestone | Eldorado |
| 11RB10 | United States | Kansas | Dolomite | Marysville |
| 10LA24 | United States | Kansas | Limestone | Grenola |