| Mine Name and YSU Mine Number | HARROFF (NO. 1), HARROFF, HAROFF, HUROFF, | MAHO000049 |
| Townships | Austintown | ... | ... | Quadrangle 001 | No Quad Given |
| Lots | TRACTS 7,8 | Quadrangle 002 | ... |
| County, State | Mahoning | OH | UTM | 17 524,200 2,469,900 |
| DOM Map Number | MG-45 | Seam Elevation | 873' (TOPO) |
| OGS Mine Number | Seam Thickness | 4';15"-42";<60" |
| USBM Document Number | 321590 | Cover Thickness | @112' |
| Mine Type and Commodity Mined | SLOPE | COAL | Drain Level | BELOW |
| Seam Code 001 | JACKSON NO.1, MASSILLON, NO.1, SHARON | Hazard Potential | MODERATE |
| Seam Code 002 | Seam Information Unavailable | Mapped | Yes |
| Date Opened | 1870 | Date Closed | 1880 | Located | Yes |
| Operator 001 | HUROFF COAL CO. | Operator 001 Date Opened | 1874 |
| Operator 001 Date Closed | 1874 |
| Operator 002 | HAROFF COAL CO. | Operator 002 Date Opened | 1875 |
| Operator 002 Date Closed | 1877 |
| Operator 003 | HARROFF COAL CO. | Operator 003 Date Opened | 1880 |
| Operator 003 Date Closed | 1880 |
| 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 slope; 1 air shaft; two mined-out areas. John M. Owen, John Stambaugh, et |
| al. compose the Harroff Coal Co. [58]. Measured section [31]. 25 to 30 acres were mined; not |
| sure where this mine connects with the Harroff (No. 2) mine (OGS 8); slope is caved and filled with |
| dirt [5]. Coal identified by elevation. |
| Last Update: | Wednesday, February 17, 1999 |