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Stone description: porous
| Wall Number | Country | State | Classification Sort descending | Source |
|---|---|---|---|---|
| 12LB35 | United States | Indiana | Limestone | Bedford |
| 13RB42 | United States | Indiana | Limestone | Bedford |
| 7RA7 | Hungary | Limestone | Mannersdorf | |
| 12RA1 | United States | Indiana | Limestone | Bedford |
| 1WE | United States | Texas | Limestone | Cedar Park |
| 4LB12 | United States | Indiana | Limestone | Salem |
| 11LB22 | United States | Kansas | Limestone | Cottonwood |
| 14C | United States | Indiana | Limestone | Bedford |
| 14RA37 | Hungary | Limestone | Kroisbach | |
| 11LB22 | United States | Kansas | Limestone | Cottonwood |
| 13RA18 | United States | Iowa | Limestone | Vinton |
| 14RA38 | Hungary | Limestone | Margarethen Leitha Mts. | |
| 7C | United States | Indiana | Limestone | Bloomington |
| 8RA4 | United States | Tennessee | Limestone | Nolensville Pike |
| 12RA32 | United States | Indiana | Limestone | Salem |
| 14RA48 | United States | Texas | Limestone | Cedar Park |
| 12RA36 | United States | Kentucky | Limestone | Garrett |
| 13RA23 | United States | Kansas | Limestone | Augusta |
| 4RB12 | United States | Indiana | Limestone | Salem |
| 7LA10 | United States | Florida | Limestone | Key West |
| 9RA12 | United States | Iowa | Limestone | Iowa City |
| 12RB40 | United States | Alabama | Limestone | Turks Cave |
| 13RA24 | United States | Kansas | Limestone | Douglass |
| 14LA37 | Hungary | Limestone | Margarethen Leitha Mts. | |
| 7LB9 | Hungary | Limestone | Margarethen Leitha Mts. | |
| 11C | United States | Indiana | Limestone | Lawrence Co. |
| 14LA38 | Hungary | Limestone | Oszlopp | |
| 5C | United States | Indiana | Limestone | Lawrence Co. |
| 13RA35 | Spain | Limestone | Murcia, Murcia | |
| 14La48 | United States | Texas | Limestone | Cedar Park |
| 2c | United States | Alabama | Limestone | Rockwood |
| 8RA16 | United States | Indiana | Limestone | Ellettsville |
| 8RB15 | United States | Utah | Limestone | Ephriam |
| 9LA5 | United States | Missouri | Limestone | Barrett's Station |
| 10C | United States | Indiana | Limestone | Bloomington |
| 13RA36 | Hungary | Limestone | Breitenbrunn | |
| 8RB16 | United States | Wisconsin | Limestone | Madison |
| 9RA9 | United States | Iowa | Limestone | Tracey Station, Marion Co. |
| 10RA22 | United States | Kansas | Limestone | Smoky Hill Reservation |
| 13LA36 | Hungary | Limestone | Margarethen Leitha Mts. | |
| 13RA43 | United States | Kentucky | Limestone | Hopkinsville |
| 6C | United States | Indiana | Limestone | ? |
| 10RA24 | United States | Kansas | Limestone | Armstrong |
| 13La45 | United States | Kentucky | Limestone | Frankfort |
| 13RA47 | United States | Alabama | Limestone | Rockwood |
| 2WE | United States | Texas | Limestone | Cedar Park |
| 8C | United States | Indiana | Limestone | Bloomington |
| 10LA18 | United States | Iowa | Limestone | Marshalltown |
| 11LA33 | United States | Ohio | Limestone | Lumberton |
| 12LA35 | United States | Indiana | Limestone | Spencer |
| 14LB28 | United States | Tennessee | Limestone | Davidson Co. |
| 16C | United States | Alabama | Limestone | Rockwood |
| 3C | United States | Texas | Limestone | Cedar Park |
| 7LA4 | Hungary | Limestone | Margarethen Leitha Mts. | |
| 10LA25 | United States | Kansas | Limestone | Greeley |
| 11Ra25 | United States | Kansas | Limestone | Cottonwood |
| 14LB37 | Hungary | Limestone | Margarethen Leitha Mts. | |
| 10RB14 | United States | Indiana | Limestone | Stinesville |
| 11RA27 | United States | Kansas | Limestone | Cottonwood |
| 13LB29 | Italy | Limestone | Leghorn | |
| 9RA3 | United States | Colorado | Limestone | Morrison |
| 12LB22 | United States | Kansas | Limestone | Junction City |
| 13RB39 | United States | Illinois | Limestone | Columbia |
| 7RA5 | Hungary | Limestone | Margarethen Leitha Mts. | |
| 10RB29 | United States | New York | Sandstone | Medina |
| 11RA38 | United States | Tennessee | Sandstone | Ducktown |
| 1RQ | United States | Ohio | Sandstone | Amherst |
| 4L9 | United States | Ohio | Sandstone | Berea |
| 5LA19 | United States | Ohio | Sandstone | Mt. Gilead |
| 5LB6 | United States | Ohio | Sandstone | Newark |
| 5RA7 | United States | Ohio | Sandstone | Lewis Mills |
| 6LA15 | United States | Pennsylvania | Sandstone | Washington |
| 6LB20 | United States | Ohio | Sandstone | Sunbury |
| 6RA4 | United States | Pennsylvania | Sandstone | Connellsville |
| 6RB8 | United States | Pennsylvania | Sandstone | Black Walnut |
| 7LB29 | United States | California | Sandstone | Livermore |
| 8LA24 | United States | North Carolina | Sandstone | Sanford |
| 8LB34 | United States | Minnesota | Sandstone | Mendota |
| 8RA33 | United States | Colorado | Sandstone | Longmont |
| 8RB36 | Scotland | Sandstone | Nairn | |
| 9La34 | United States | West Virginia | Sandstone | Kingwood |
| 9Lb37 | United States | Oregon | Sandstone | Forest Grove |
| 9RA34 | United States | Missouri | Sandstone | Rockville |
| 9RB35 | United States | West Virginia | Sandstone | Charleston |
| S2-8 | United States | Idaho | Sandstone | Boise |
| 10Lb19 | United States | Pennsylvania | Sandstone | Stoop's Ferry |
| 10RB31 | United States | Texas | Sandstone | Mormon Mills |
| 13WE | United States | Ohio | Sandstone | McDermott |
| 5La2 | United States | Ohio | Sandstone | Norwalk |
| 5RA1 | United States | Ohio | Sandstone | Massillon |
| 5RA9 | United States | Ohio | Sandstone | Belleville |
| 6La16 | United States | Pennsylvania | Sandstone | Titusville |
| 6LB21 | United States | Ohio | Sandstone | Millersburg |
| 6RA6 | United States | Pennsylvania | Sandstone | Farrandsville |
| 6RQ | United States | Ohio | Sandstone | McDermont |
| 7LB39 | United States | New Jersey | Sandstone | Pleasant Val. |
| 7RB19 | United States | Ohio | Sandstone | Amherst |
| 8LA26 | United States | North Carolina | Sandstone | Wadesboro |
| 8LB35 | United States | Connecticut | Sandstone | Manchester |
| 8RA36 | United States | Missouri | Sandstone | Nevada |