| Mine Name and YSU Mine Number | WALKER (NO. 5) | COLU000008 |
| Townships | YELLOW CREEK | ... | ... | Quadrangle 001 | WELLSVILLE |
| Lots | SEC. 33 | Quadrangle 002 |
| County, State | Columbiana | Ohio | SDP | 17 341,200 2,487,800 |
| DOM Map Number | CA-5 | Seam Elevation | 770' (TOPO) |
| OGS Mine Number | Seam Thickness | 3'2";3 1/2' |
| USBM Document Number | 321464 | Cover Thickness | 470' MAX |
| Mine Type and Commodity Mined | DRIFT;SLOPE | COAL&CLAY | Drain Level | ABOVE |
| Seam Code 001 | LOWER MERCER, LOWER MERCER (NO. 3), NO. 3 | Hazard Potential | LOW |
| Seam Code 002 | ... | Mapped | Yes |
| Date Opened | 1912 | Date Closed | 1912 | Located | Yes |
| Operator 001 | OHIO COAL & COKE CO. | Operator 001 Date Opened | 1906 |
| Operator 001 Date Closed | 1908 |
| Operator 002 | BUCKEYE CLAY & COAL CO. | Operator 002 Date Opened | 1909 |
| Operator 002 Date Closed | 1912 |
| Operator 003 | ... | Operator 003 Date Opened |
| Operator 003 Date Closed |
| Operator 004 | ... | Operator 004 Date Opened |
| Operator 004 Date Closed |
| Operator 005 | ... | Operator 005 Date Opened |
| Operator 005 Date Closed |
| 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 | Mine map [1] shows 2 drift openings; rooms 20'-30' wide; ribs 10' wide. |
| Last Update: | Monday, May 31, 1999 |