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Stone description: compact
| Wall Number | Country Sort ascending | State | Classification | Source |
|---|---|---|---|---|
| 14LB26 | United States | Kansas | Limestone | Irving |
| 4RB11 | United States | Tennessee | Limestone | Knoxville |
| 6RB6 | United States | Pennsylvania | Sandstone | Center Bridge |
| 8LA6 | United States | New York | Limestone | Louisville |
| 14LB35 | Spain | Limestone | Morata, Saragossa | |
| 9RA37 | Spain | Sandstone | Murcia | |
| 9RA38 | Spain | tuff | Alamazanon | |
| 14RB34 | Spain | Limestone | Saragossa Prov. | |
| 14RB35 | Spain | Limestone | Calatayud, Saragossa | |
| 10RB17 | Spain | Limestone | Ricla, Saragossa | |
| 13LA35 | Spain | Limestone | Ricla, Saragossa | |
| 9RA14 | Spain | Limestone | Saragossa Prov. | |
| 9LA14 | Spain | Limestone | Murcia, Murcia | |
| 5LA12 | Scotland | Sandstone | Anan | |
| 11LA36 | Portugal | Sandstone | St. Miguel, Coimbra | |
| 7La2 | Portugal | Limestone | Porto Barrao, Coimbra | |
| 9RB1 | Portugal | Limestone | Nazareth, Leiria | |
| 14LA44 | Portugal | Limestone | Serra de Boa Viagem, Coimbra | |
| 8RB3 | Portugal | Limestone | Lombas, Leiria | |
| 14LA45 | Portugal | Limestone | Ega, Coimbra | |
| 14LA46 | Portugal | Limestone | Janianes, Coimbra | |
| 14LA47 | Portugal | Limestone | Ilhastro, Coimbra | |
| 7RA1 | Portugal | Limestone | Covoes, Coimbra | |
| 9LA1 | Portugal | Limestone | Nazareth, Leiria | |
| 9RB42 | Portugal | Sandstone | St. Miguel, Coimbra | |
| 8RA2 | Portugal | Limestone | Freguesias, Coimbra | |
| 10LB2 | Portugal | Limestone | Alvito, Coimbra | |
| 8RA3 | Portugal | Limestone | Janianes, Coimbra | |
| 6LB38 | Mexico | Tuff | Morelos State | |
| 5RA37 | Mexico | Andesite | Hildalgo State | |
| 10RA30 | Mexico | Sandstone | Guanajuato State | |
| 10LA39 | Mexico | Sandstone | Guanajuato State | |
| 6RA37 | Mexico | Tuff | Zacatecas State | |
| 10LA40 | Mexico | Tuff | Zacatecas State | |
| 10LA41 | Mexico | Tuff | Zacatecas State | |
| 9RA32 | Italy | Sandstone | Leghorn | |
| 11LB25 | Italy | Sandstone | Leghorn |