| Mine Name and YSU Mine Number | BONSEL, BONSALL | MAHO000023 |
| Townships | Green | ... | ... | Quadrangle 001 | Salem Quad |
| Lots | SECS. 19, 20 | Quadrangle 002 | ... |
| County, State | Mahoning | OH | UTM | 17 468,100 2,458,000 |
| DOM Map Number | MG-22 | Seam Elevation | 1130'-1160'(TOP |
| OGS Mine Number | Seam Thickness | 2 1/2';36" |
| USBM Document Number | 321585 | Cover Thickness | 90' MAX |
| Mine Type and Commodity Mined | DRIFT | COAL | Drain Level | ABOVE |
| Seam Code 001 | LOWER MERCER | Hazard Potential | LOW |
| Seam Code 002 | Seam Information Unavailable | Mapped | Yes |
| Date Opened | 1896 | Date Closed | 1906 | Located | Yes |
| Operator 001 | ROBERT AULD | Operator 001 Date Opened | 1901 |
| Operator 001 Date Closed | 1901 |
| Operator 002 | ROBERT AULD & SON | Operator 002 Date Opened | 1906 |
| Operator 002 Date Closed | 1906 |
| 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; several areas marked "Old works," extent not shown; an area |
| marked "No pillars drawn." |
| Last Update: | Wednesday, February 17, 1999 |