| Mine Name and YSU Mine Number | PROSPECT HILL (NO. 1), PROSPECT (NO. 2), | COLU000038 |
| Townships | UNITY | ... | ... | Quadrangle 001 | EAST PALESTINE |
| Lots | SECS. 25,36 | Quadrangle 002 |
| County, State | Columbiana | Ohio | SDP | 17 425,000 2,544,600 |
| DOM Map Number | CA-33 | Seam Elevation | 1125' (TOPO) |
| OGS Mine Number | Seam Thickness | 3' |
| USBM Document Number | 321446 | Cover Thickness | 75' MAX |
| Mine Type and Commodity Mined | DRIFT | COAL | Drain Level | ABOVE |
| Seam Code 001 | BIG VEIN, BLACK BAND, BLACK VEIN, BLUE ROCK, | Hazard Potential | LOW |
| Seam Code 002 | EAST PALESTINE, GROFF. MAHONING, MAHONING | Mapped | Yes |
| Date Opened | 1914 | Date Closed | 1914 | Located | Yes |
| Operator 001 | PROSPECT HILL COAL CO. | Operator 001 Date Opened | 1911 |
| Operator 001 Date Closed | 1914 |
| Operator 002 | JONES COAL CO. | Operator 002 Date Opened | 1911 |
| Operator 002 Date Closed | 1914 |
| 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 | Ca-45 (Jones mine) is an extension of this mine. Mine map [1] shows: 1 drift opening;1 air shaft; |
| workings to Ca-45 and Ca-32; rooms 30' wide; ribs 10' wide. This mine overlies Ca-32. |
| Coal identified by elevation. |
| Last Update: | Monday, May 31, 1999 |