| Mine Name and YSU Mine Number | CLAY SHAFT (NO. 1), COLONIAL CLAY | COLU000036 |
| Townships | UNITY | ... | ... | Quadrangle 001 | EAST PALESTINE |
| Lots | SECS. 35,36 | Quadrangle 002 |
| County, State | Columbiana | Ohio | SDP | 17 426,400 2,542,900 |
| DOM Map Number | CA-32 | Seam Elevation |
| OGS Mine Number | Seam Thickness | 3-4' |
| USBM Document Number | 321445 | Cover Thickness |
| Mine Type and Commodity Mined | SLOPE | COAL | Drain Level |
| Seam Code 001 | MIDDLE KITTANNING, MIDDLE KITTANNING (NO. | Hazard Potential | 1,2 |
| Seam Code 002 | ... | Mapped | Yes |
| Date Opened | 1900 | Date Closed | 1900 | Located | Yes |
| Operator 001 | JAMES SUTHERN | Operator 001 Date Opened | 1883 |
| Operator 001 Date Closed | 1883 |
| Operator 002 | PROSPECT HILL COAL CO. | Operator 002 Date Opened | 1884 |
| Operator 002 Date Closed | 1885 |
| Operator 003 | SUTHERIN COAL CO. | Operator 003 Date Opened | 1886 |
| Operator 003 Date Closed | 1886 |
| Operator 004 | PROSPECT HILL COAL CO. | Operator 004 Date Opened | 1887 |
| Operator 004 Date Closed | 1892 |
| Operator 005 | SUTHERIN MINING CO. | Operator 005 Date Opened | 1893 |
| Operator 005 Date Closed | 1893 |
| Operator 006 | FILER & LAWTON | Operator 006 Date Opened | 1893 |
| Operator 006 Date Closed | 1893 |
| Operator 007 | FILER BROS. | Operator 007 Date Opened | 1893 |
| Operator 007 Date Closed | 1893 |
| Operator 008 | PROSPECT HILL COAL CO. | Operator 008 Date Opened | 1894 |
| Operator 008 Date Closed | 1899 |
| Remarks | Mine map [1] shows: 2 slopes; 3 drift openings; 1 air shaft; pillars were drawn; rooms 30' wide; |
| pillars 10'wide. This mine underlies portions of Ca-33, Ca-45, and Ca-93. |
| Last Update: | Monday, May 31, 1999 |