| Mine Name and YSU Mine Number | J. C. ROBERTSON | MAHO000162 |
| Townships | Beaver | ... | ... | Quadrangle 001 | Columbiana Quad |
| Lots | SEC. 28 | Quadrangle 002 | ... |
| County, State | Mahoning | OH | UTM | 17 463,900 2,497,900 |
| DOM Map Number | Seam Elevation | 1050' |
| OGS Mine Number | 80 | Seam Thickness | 2'4" |
| USBM Document Number | Cover Thickness |
| Mine Type and Commodity Mined | COAL | Drain Level | ABOVE |
| Seam Code 001 | LOWER KITTANNING, NEW CASTLE | Hazard Potential | NOT EVAL. |
| Seam Code 002 | Seam Information Unavailable | Mapped | No |
| Date Opened | Date Closed | Located | Yes |
| Operator 001 | J. C. ROBERTSON | Operator 001 Date Opened |
| Operator 001 Date Closed |
| Operator 002 | ... | Operator 002 Date Opened |
| Operator 002 Date Closed |
| 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 |
| Last Update: | Wednesday, February 17, 1999 |