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Stone description: porous
| Wall Number | Country | State Sort ascending | Classification | Source |
|---|---|---|---|---|
| 9LB22 | United States | Ohio | Sandstone | Mansfield |
| 5LA13 | United States | Ohio | Sandstone | New Lisbon |
| 8RB20 | United States | Ohio | Sandstone | Middleburg Twp. Cuyahoga Co. |
| 9RB21 | United States | Ohio | Sandstone | Berea |
| 9LB23 | United States | Ohio | Sandstone | Marietta |
| 11LA33 | United States | Ohio | Limestone | Lumberton |
| 5LA15 | United States | Ohio | Sandstone | Rockville |
| 8RB21 | United States | Ohio | Sandstone | Amherst |
| 17WE | United States | Ohio | Sandstone | McDermott |
| 5RA4 | United States | Ohio | Sandstone | Buena Vista |
| 6RB39 | United States | Ohio | Sandstone | Sunbury |
| 13RB10 | United States | Ohio | Dolomite | Sandusky |
| 5LA16 | United States | Ohio | Sandstone | Windsor |
| 18WE | United States | Ohio | Sandstone | McDermott |
| 5RA5 | United States | Ohio | Sandstone | Marietta |
| 5La17 | United States | Ohio | Sandstone | Wooster |
| 19WE | United States | Ohio | Sandstone | McDermott |
| 5RA6 | United States | Ohio | Sandstone | Howard Station Knox Co. |
| 5LA18 | United States | Ohio | Sandstone | Plymouth |
| 1RQ | United States | Ohio | Sandstone | Amherst |
| 5RA7 | United States | Ohio | Sandstone | Lewis Mills |
| 11LB11 | United States | Ohio | Dolomite | Riley Twp. Putnam Co. |
| 5LA19 | United States | Ohio | Sandstone | Mt. Gilead |
| 6LB20 | United States | Ohio | Sandstone | Sunbury |
| 5RA9 | United States | Ohio | Sandstone | Belleville |
| 6RQ | United States | Ohio | Sandstone | McDermont |
| 11LB12 | United States | Ohio | Dolomite | Eaton |
| 13WE | United States | Ohio | Sandstone | McDermott |
| 5La2 | United States | Ohio | Sandstone | Norwalk |
| 6LB21 | United States | Ohio | Sandstone | Millersburg |
| 7RB19 | United States | Ohio | Sandstone | Amherst |
| 10LB20 | United States | Ohio | Sandstone | Lancaster |
| 12RA13 | United States | Ohio | Dolomite | Lima |
| 22EE | United States | Ohio | Sandstone | McDermott |
| 5RB1 | United States | Ohio | Sandstone | Amherst |
| 6WE | United States | Ohio | Sandstone | Amherst |
| 7RB20 | United States | Ohio | Sandstone | Independence |
| 5RB2 | United States | Ohio | Sandstone | Canal Dover Tuscarawas Co. |
| 14LA12 | United States | Ohio | Dolomite | Yellow Springs |
| 5LA3 | United States | Ohio | Sandstone | Peninsula |
| 24EE | United States | Ohio | Sandstone | Glenmont |
| 5RB3 | United States | Ohio | Sandstone | Bedford |
| 7EE | United States | Ohio | Sandstone | McDermott |
| 5LA4 | United States | Ohio | Sandstone | Norwalk |
| 6LB39 | United States | Ohio | Sandstone | Youngstown |
| 25WE | United States | Ohio | Sandstone | Amherst |
| 5RB4 | United States | Ohio | Sandstone | Bellaire |
| 5LA5 | United States | Ohio | Sandstone | Piketon |
| 9WE | United States | Ohio | Sandstone | McDermott |
| 5RB5 | United States | Ohio | Sandstone | Brownhelm |
| 7LA19 | United States | Ohio | Sandstone | Akron |
| 5LA6 | United States | Ohio | Sandstone | Weller Twp. Richland Co. |
| S1-1 | United States | Ohio | Sandstone | McDermott |
| 6R48 | United States | North Carolina | Sandstone | Raleigh |
| 9RA24 | United States | North Carolina | Sandstone | Raleigh |
| 6L48 | United States | North Carolina | Sandstone | Raleigh |
| 8RA24 | United States | North Carolina | Sandstone | Durham |
| 9RA25 | United States | North Carolina | Sandstone | Raleigh |
| 9LA25 | United States | North Carolina | Sandstone | Raleigh |
| 9LA26 | United States | North Carolina | Sandstone | Raleigh |
| 8RA25 | United States | North Carolina | Sandstone | Egypt |
| 8RA26 | United States | North Carolina | Sandstone | Morrisville |
| 8LA24 | United States | North Carolina | Sandstone | Sanford |
| 8LA26 | United States | North Carolina | Sandstone | Wadesboro |
| 10RB29 | United States | New York | Sandstone | Medina |
| 8LB28 | United States | New York | Sandstone | Hulberton |
| 7RB25 | United States | New York | Sandstone | Margarettville |
| 7LA45 | United States | New Mexico | Sandstone | Santa Fe |
| 11RB45 | United States | New Mexico | Sandstone | Las Vegas |
| 8La47 | United States | New Mexico | Sandstone | Las Vegas |
| 7RA44 | United States | New Mexico | Sandstone | Las Vegas |
| 8LB47 | United States | New Mexico | Sandstone | Valencia Co. |
| 8LB38 | United States | Arizona | Sandstone | Yavapai Co. |
| 7RB39 | United States | New Jersey | Sandstone | Avondale |
| 7LA39 | United States | New Jersey | Sandstone | Patterson |
| 7LA40 | United States | New Jersey | Sandstone | Orange Mt. |
| 9LA36 | United States | New Jersey | Conglomerate | May's Landing Atlantic Co. |
| 7LB39 | United States | New Jersey | Sandstone | Pleasant Val. |
| 7LB40 | United States | New Jersey | Sandstone | Newark |
| 8RA40 | United States | New Jersey | Sandstone | Belleville |
| 8LA42 | United States | New Jersey | Sandstone | Newark |
| 6LA42 | United States | New Jersey | Sandstone | Stockton |
| 6LA43 | United States | New Jersey | Sandstone | Pleasant Val. |
| 7RA39 | United States | New Jersey | Sandstone | Belleville |
| 8RB39 | United States | New Jersey | Sandstone | Little Falls |
| 9RB36 | United States | New Jersey | Sandstone | Belleville |
| 8RB40 | United States | New Jersey | Sandstone | Belleville |
| 7RB36 | United States | Nevada | Sandstone | Carson City |
| 8LA43 | United States | Montana | Sandstone | Columbus |
| 8RB42 | United States | Montana | Sandstone | Columbus |
| 11LB30 | United States | Missouri | Sandstone | Butler |
| 9RA34 | United States | Missouri | Sandstone | Rockville |
| 8RA36 | United States | Missouri | Sandstone | Nevada |
| 8RA37 | United States | Missouri | Sandstone | Howard Co. |
| 10RB36 | United States | Missouri | Sandstone | St. Genevieve |
| 8LA36 | United States | Missouri | Sandstone | Clinton |
| 13RA22 | United States | Missouri | Sandstone | Miami Station Carroll Co. |
| 8LA37 | United States | Missouri | Sandstone | Warrensburg |
| 9LA5 | United States | Missouri | Limestone | Barrett's Station |
| 12LB14 | United States | Missouri | Dolomite | Osage |