| Mine Name and YSU Mine Number | WALKER (NO. 5) | COLU000006 |
| Townships | YELLOW CREEK | ... | ... | Quadrangle 001 | WELLSVILLE |
| Lots | SECS. 9,15 | Quadrangle 002 |
| County, State | Columbiana | Ohio | SDP | 17 341,300 2,507,100 |
| DOM Map Number | CA-4 | Seam Elevation | 710'(TOPO) |
| OGS Mine Number | Seam Thickness | 12' |
| USBM Document Number | 321463 | Cover Thickness | 330' MAX |
| Mine Type and Commodity Mined | DRIFT | CLAY | Drain Level | ABOVE |
| Seam Code 001 | CLAY VEIN, LOWER KITTANNING, LOWER | Hazard Potential | LOW |
| Seam Code 002 | ... | Mapped | Yes |
| Date Opened | 1914 | Date Closed | 1914 | Located | Yes |
| Operator 001 | VULCAN FIRE BRICK CO. | Operator 001 Date Opened | 1890 |
| Operator 001 Date Closed | 1893 |
| Operator 002 | VULCAN FIRE CLAY CO. | Operator 002 Date Opened | 1894 |
| Operator 002 Date Closed | 1899 |
| Operator 003 | VULCAN FIRE CLAY CO. | Operator 003 Date Opened | 1904 |
| Operator 003 Date Closed | 1904 |
| Operator 004 | AMERICAN SEWER PIPE CO. | Operator 004 Date Opened | 1905 |
| Operator 004 Date Closed | 1905 |
| Operator 005 | VULCAN CLAY & BRICK CO. | Operator 005 Date Opened | 1909 |
| Operator 005 Date Closed | 1914 |
| Operator 006 | ... | Operator 006 Date Opened |
| Operator 006 Date Closed |
| Operator 007 | ... | Operator 007 Date Opened |
| Operator 007 Date Closed |
| Operator 008 | ... | Operator 008 Date Opened |
| Operator 008 Date Closed |
| Remarks |
| Last Update: | Monday, May 31, 1999 |