| Mine Name and YSU Mine Number | PROSPECT, PROSPECT HILL DRIFT (NO. 1), | COLU000022 |
| Townships | UNITY | ... | ... | Quadrangle 001 | EAST PALESTINE |
| Lots | SEC. 16 | Quadrangle 002 |
| County, State | Columbiana | Ohio | SDP | 17 439,900 2,530,700 |
| DOM Map Number | CA-18 | Seam Elevation | 1175' (TOPO) |
| OGS Mine Number | Seam Thickness |
| USBM Document Number | 321443 | Cover Thickness | 45' MAX |
| Mine Type and Commodity Mined | DRIFT | COAL | Drain Level | ABOVE |
| Seam Code 001 | MIDDLE KITTANNING, MIDDLE KITTANNING (NO. | Hazard Potential | LOW |
| Seam Code 002 | ... | Mapped | Yes |
| Date Opened | 1899 | Date Closed | 1899 | Located | Yes |
| Operator 001 | JONATHAN MOLLENKOPH | Operator 001 Date Opened | 1894 |
| Operator 001 Date Closed | 1894 |
| Operator 002 | JONATHAN MELLENKOPF | Operator 002 Date Opened | 1895 |
| Operator 002 Date Closed | 1896 |
| Operator 003 | J. MOLLENKOPF | Operator 003 Date Opened | 1897 |
| Operator 003 Date Closed | 1899 |
| 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: 1 drift opening; 1 air shaft; areas marked "all worked out." |
| Last Update: | Monday, May 31, 1999 |