| Mine Name and YSU Mine Number | DYCE | MAHO000230 |
| Townships | Springfield | ... | ... | Quadrangle 001 | New Middletown |
| Lots | SEC. 15 | Quadrangle 002 | ... |
| County, State | Mahoning | OH | UTM |
| DOM Map Number | Seam Elevation |
| OGS Mine Number | Seam Thickness | 2'9" |
| USBM Document Number | Cover Thickness |
| Mine Type and Commodity Mined | COAL | Drain Level |
| Seam Code 001 | BROOKVILLE, CONWAY, NO.4, NO.3B | Hazard Potential |
| Seam Code 002 | Seam Information Unavailable | Mapped | No |
| Date Opened | Date Closed | Located | No |
| Operator 001 | THOMAS DYCE | 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 | Sec. 15 Springfield Twp. on the Reaulman farm [31]. |
| Last Update: | Wednesday, February 17, 1999 |