| Mine Name and YSU Mine Number | BELOIT | MAHO000227 |
| Townships | Smith | ... | ... | Quadrangle 001 | Alliance Quad |
| Lots | Quadrangle 002 | ... |
| County, State | Mahoning | OH | UTM |
| DOM Map Number | Seam Elevation |
| OGS Mine Number | Seam Thickness | COAL 3' |
| USBM Document Number | Cover Thickness | 60' ASO |
| Mine Type and Commodity Mined | SHAFT | COAL&CLA | Drain Level |
| Seam Code 001 | UPPER MERCER | Hazard Potential |
| Seam Code 002 | LOWER MERCER | Mapped | No |
| Date Opened | 1884 | Date Closed | 1900 | Located | No |
| Operator 001 | ZEIGLER & SHARER | Operator 001 Date Opened | 1884 |
| Operator 001 Date Closed | 1888 |
| Operator 002 | YOUNGSTOWN PAVING CO. | Operator 002 Date Opened | 1891 |
| Operator 002 Date Closed | 1893 |
| Operator 003 | ALLIANCE LABOR EXCHANGE,LEASEE | Operator 003 Date Opened | 1897 |
| Operator 003 Date Closed | 1897 |
| Operator 004 | YOUNGSTOWN PAVING BRICK CO. | Operator 004 Date Opened | 1894 |
| Operator 004 Date Closed | 1900 |
| 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 |