| Mine Name and YSU Mine Number | OSBORNE, MARSHALL | TRUM000121 |
| Townships | WEATHERSFIELD | ... | ... | Quadrangle 001 | WARREN |
| Lots | LOT 29 | Quadrangle 002 | ... |
| County, State | Trumbull | Ohio | UTM | 17 540,100 2,476,050 |
| DOM Map Number | TL-6,MG-39 | Seam Elevation |
| OGS Mine Number | Seam Thickness | 4' |
| USBM Document Number | 321668 | Cover Thickness | 25' |
| Mine Type and Commodity Mined | SLOPE | COAL | Drain Level | ABOVE |
| Seam Code 001 | JACKSON, SHARON NO.1 | Hazard Potential | MODERATE |
| Seam Code 002 | Seam Information Unavailable | Mapped | Yes |
| Date Opened | 1876 | Date Closed | 1889 | Located | Yes |
| Operator 001 | ANDREWS BROS. | Operator 001 Date Opened |
| Operator 001 Date Closed | 1883 |
| Operator 002 | OSBORNE COAL CO. | Operator 002 Date Opened | 1882 |
| Operator 002 Date Closed | 1883 |
| Operator 003 | TODD, WELLS & CO. | Operator 003 Date Opened | 1884 |
| Operator 003 Date Closed | 1889 |
| 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 | Production of 300 tons/day; rooms 8-10 yds; ribs 6'x12'[22]. Slope filled with dirt. Connects with |
| the other mines for it was designed to rob the pillars of the other mines. One of the last operations |
| in the region [5]. |
| Last Update: | Tuesday, March 16, 1999 |