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Stone description: compact
| Wall Number | Country | State | Classification | Source Sort descending |
|---|---|---|---|---|
| 9RA13 | United States | Kansas | Limestone | Lane |
| 11La17 | United States | Iowa | Dolomite | Lansing |
| 14LB43 | United States | Nebraska | Limestone | LaPlatte |
| 8RA47 | United States | New Mexico | Sandstone | Las Vegas |
| 11LB44 | United States | New Mexico | Sandstone | Las Vegas |
| 12LB7 | United States | New York | Limestone | Le Roy |
| 14RB14 | United States | Iowa | Limestone | Le-Grand |
| 11LB10 | United States | Kansas | Limestone | Leavenworth |
| 8RA18 | United States | Kentucky | Limestone | Lebanon |
| 7RA15 | United States | Pennsylvania | Limestone | Lebanon |
| 7La15 | United States | Pennsylvania | Limestone | Lebanon |
| 7La16 | United States | Pennsylvania | Limestone | Lebanon |
| 14RB43 | United States | Kentucky | Limestone | Lebanon |
| 12RB24 | United States | Tennessee | Limestone | Lebanon Pike |
| 7RA18 | United States | Pennsylvania | Sandstone | Leboeuf |
| 9RA32 | Italy | Sandstone | Leghorn | |
| 11LB25 | Italy | Sandstone | Leghorn | |
| 13LA2 | United States | Illinois | Dolomite | Lemont |
| 12LB3 | United States | Illinois | Dolomite | Lemont |
| 13RA2 | United States | Illinois | Dolomite | Lemont |
| 11RA3 | United States | Illinois | Dolomite | Lemont |
| 13LB2 | United States | Illinois | Dolomite | Lemont |
| 12RA12 | United States | Ohio | Dolomite | Lexington |
| 13LB44 | United States | Kentucky | Limestone | Lincoln Co. |
| 12La13 | United States | Kentucky | Dolomite | Lincoln Co. |
| 13LB43 | United States | Kentucky | Limestone | Litchfield |
| 13RB43 | United States | Kentucky | Limestone | Litchfield |
| 7LA29 | United States | California | Sandstone | Livermore |
| 13La46 | United States | Kentucky | Limestone | Livingstone |
| 13LB6 | United States | New York | Dolomite | Lockport |
| 14LA1 | United States | Indiana | Dolomite | Logansport |
| 8RB3 | Portugal | Limestone | Lombas, Leiria | |
| 11LB1 | United States | Indiana | Dolomite | Longwood |
| 5RB30 | United States | California | Tuff | Lordsburg |
| 12LB12 | United States | Kentucky | Dolomite | Louisville |
| 8LA6 | United States | New York | Limestone | Louisville |
| 6RA12 | United States | Pennsylvania | Sandstone | Lucesco |
| 12RB11 | United States | Kentucky | Limestone | Lulbergrude Cr. Clark Co. |
| 8RA19 | United States | Pennsylvania | Sandstone | Lumberton |
| 8RA34 | United States | Minnesota | Sandstone | Luverne |
| 13RA19 | United States | Iowa | Limestone | Macedonia |
| 6RA1 | United States | Pennsylvania | Sandstone | Mainesburgh |
| S2-9 | United States | New York | Sandstone | Malone |
| 14LB15 | United States | Iowa | Dolomite | Manchester |
| 9LA13 | United States | Kansas | Limestone | Manhattan |
| 12RB6 | United States | Wisconsin | Dolomite | Manitowoc |
| 7La18 | United States | Pennsylvania | Quartzite | Mapleton |
| 10LB13 | United States | Iowa | Limestone | Marble Rock |
| 14LA21 | United States | Iowa | Limestone | Marble Rock |
| 7RB27 | United States | Kentucky | Sandstone | Marion |
| 10RB49 | United States | Wisconsin | Quartz | Marquette |
| 7LA44 | United States | Michigan | Sandstone | Marquette |
| 12LA15 | United States | Iowa | Dolomite | Marshalltown |
| 12RA21 | United States | Iowa | Limestone | Marshalltown |
| 11RB12 | United States | Missouri | Dolomite | Marshfield |
| 6RA42 | United States | New Jersey | Sandstone | Martinville |
| 9LA45 | Canada | Sandstone | Mary's Point, New Brunswick | |
| 11RB10 | United States | Kansas | Dolomite | Marysville |
| 14RA23 | United States | Iowa | Limestone | Mason City |
| 13LB13 | United States | Iowa | Limestone | Mason City |
| 6RA5 | United States | Pennsylvania | Sandstone | Mauch Chunk |
| 6LB2 | United States | Pennsylvania | Sandstone | Mauch Chunk |
| 8RB17 | United States | Pennsylvania | Limestone | Mertztown |
| 6La7 | United States | Pennsylvania | Sandstone | Meshoppen |
| 14RA10 | United States | Pennsylvania | Dolomite | Mill Lane Chester Co. |
| 12RB33 | United States | Ohio | Limestone | Millersburg |
| 11RA10 | United States | Ohio | Dolomite | Milton Twp. Woods Co. |
| 12RA6 | United States | Wisconsin | Dolomite | Milwaukee |
| 13RA4 | United States | Wisconsin | Dolomite | Milwaukee |
| 14RB8 | United States | Minnesota | Limestone | Minneapolis |
| 9LA16 | United States | Minnesota | Limestone | Minneapolis |
| 10LB17 | United States | Pennsylvania | Soapstone | Montgomery Co. |
| 7RB16 | United States | Pennsylvania | Soapstone | Montgomery Co. |
| 14LB17 | United States | Iowa | Dolomite | Monticello |
| 11RA19 | United States | Iowa | Limestone | Montour |
| 14RB23 | United States | Iowa | Limestone | Montour |
| 14LB1 | United States | Indiana | Dolomite | Montpelier |
| 8RA9 | Canada | Limestone | Montreal | |
| 13RA26 | Canada | Limestone | Montreal region | |
| 14LB35 | Spain | Limestone | Morata, Saragossa | |
| 6LB38 | Mexico | Tuff | Morelos State | |
| 13RB8 | United States | Pennsylvania | Limestone | Morrell |
| 13RB27 | United States | Colorado | Limestone | Morrison |
| 5LB42 | United States | New Jersey | Conglomerate | Morristown |
| 9RB9 | United States | Iowa | Limestone | Mt. Pleasant |
| 6LB28 | United States | New York | Sandstone | Mt. Pleasant |
| 9LB16 | United States | Maryland | Limestone | Mt. Pleasant |
| 14LA20 | United States | Iowa | Limestone | Mt. Pleasant |
| 13LB20 | United States | Iowa | Limestone | Mt. Pleasant |
| 9RA37 | Spain | Sandstone | Murcia | |
| 9LA14 | Spain | Limestone | Murcia, Murcia | |
| 12RB5 | United States | Tennessee | Limestone | Murfreesborough |
| 13RB37 | United States | Pennsylvania | Limestone | Myerstown |
| 13RB36 | United States | Pennsylvania | Limestone | N. Annville |
| 5LB7 | United States | Ohio | Sandstone | N. Bloomfield |
| 13RB41 | United States | Indiana | Limestone | N. Vernon |
| 14RA27 | United States | Tennessee | Limestone | Nashville |
| 13LA27 | United States | Tennessee | Limestone | Nashville |
| 11RA28 | United States | Tennessee | Limestone | Nashville |
| 12RA23 | United States | Tennessee | Limestone | Nashville |