| Mine Name and YSU Mine Number | NATIONAL (NO. 1), NATIONAL NORTH & | MAHO000006 |
| Townships | Green | ... | ... | Quadrangle 001 | Salem Quad |
| Lots | SECS. 34,35 | Quadrangle 002 | ... |
| County, State | Mahoning | OH | UTM | 17 456,600 2,476,700 |
| DOM Map Number | MG-6 | Seam Elevation | 1105'-1090' |
| OGS Mine Number | Seam Thickness | 28" |
| USBM Document Number | 321583 | Cover Thickness | 87' & 127'ASO |
| Mine Type and Commodity Mined | DRIFT | COAL | Drain Level | ABOVE |
| Seam Code 001 | LOWER KITTANNING, NEW CASTLE | Hazard Potential | LOW |
| Seam Code 002 | Seam Information Unavailable | Mapped | Yes |
| Date Opened | 1883 | Date Closed | 1894 | Located | Yes |
| Operator 001 | WALTER & CO. | Operator 001 Date Opened | 1883 |
| Operator 001 Date Closed | 1883 |
| Operator 002 | J. M. WALTER & CO. | Operator 002 Date Opened | 1884 |
| Operator 002 Date Closed | 1888 |
| Operator 003 | WALTER & FERRIS CO. | Operator 003 Date Opened | 1889 |
| Operator 003 Date Closed | 1889 |
| Operator 004 | WALTER & FERRIS COAL CO. | Operator 004 Date Opened | 1890 |
| Operator 004 Date Closed | 1893 |
| Operator 005 | WALTER & FERRIS | Operator 005 Date Opened | 1894 |
| Operator 005 Date Closed | 1894 |
| 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: 4 drift openings; 2 air shafts; pillars drawn; outcrop line. A portion of this mine |
| overlies the National (No. 2) mine (Mg-11) and connects with the Peerless mine (Ca-73). |
| Last Update: | Wednesday, February 17, 1999 |