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Stone description: medium grain
| Wall Number | Country Sort ascending | State | Classification | Source |
|---|---|---|---|---|
| 10Lb31 | United States | Maine | Granite | W. Sullivan |
| 11RB28 | United States | Virginia | Granite | Fredericksburg |
| 13RQ | United States | Ohio | Sandstone | Glenmont |
| 2R2 | United States | Vermont | Marble | Florence |
| 9LB43 | United States | Washington | Sandstone | Tenino |
| 9RA38 | Spain | tuff | Alamazanon | |
| 8LB36 | Scotland | Sandstone | Thurso | |
| 8LB1 | Portugal | Marble | Alvrite, Coimbra | |
| 10LB2 | Portugal | Limestone | Alvito, Coimbra | |
| 10RA30 | Mexico | Sandstone | Guanajuato State | |
| 10LA39 | Mexico | Sandstone | Guanajuato State | |
| 10rb16 | Argentina | Marble | Unkown |