| Mine Name and YSU Mine Number | MOLLENKOPF, MELLENKOPF | COLU000023 |
| Townships | WASHINGTON | ... | ... | Quadrangle 001 | GAVERS |
| Lots | SECS. 18,24,30 | Quadrangle 002 |
| County, State | Columbiana | Ohio | SDP | 17 357,100 2,469,200 |
| DOM Map Number | CA-19 | Seam Elevation | 830' (TOPO) |
| OGS Mine Number | Seam Thickness | 4'-6' |
| USBM Document Number | 321388 | Cover Thickness | 46'ASO;50' |
| Mine Type and Commodity Mined | SHAFT & SLOPE | COAL | Drain Level | BELOW |
| Seam Code 001 | BIG VEIN, BLACK BAND, BLACK VEIN, BLUE ROCK, | Hazard Potential | HIGH |
| Seam Code 002 | BIG VEIN, BLACK BAND, BLACK VEIN, BLUE ROCK, | Mapped | Yes |
| Date Opened | 1906 | Date Closed | 1906 | Located | Yes |
| Operator 001 | SALINEVILLE COAL CO. | Operator 001 Date Opened | 1881 |
| Operator 001 Date Closed | 1885 |
| Operator 002 | THOS. H. BUSHNELL | Operator 002 Date Opened | 1886 |
| Operator 002 Date Closed | 1886 |
| Operator 003 | SALINEVILLE COAL CO. | Operator 003 Date Opened | 1887 |
| Operator 003 Date Closed | 1887 |
| Operator 004 | BIG VEIN COAL CO. | Operator 004 Date Opened | 1888 |
| Operator 004 Date Closed | 1905 |
| 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 shaft; 1 air shaft; probably connected with Ca-76 (Garside mine); connects |
| with Ca-70 (Old Shaft mine), which shows the slope opening to the New Shaft mine; rooms 20'-35' |
| wide; ribs 7'-15' wide; several areas marked "mined out." |
| Last Update: | Monday, May 31, 1999 |