File:M-968 OGara CC no 7 Coop 17 Fig 13 7ft coal 80ft deep.jpg
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| Mine Index(s): | 0048 |
| Mine Company: | O'Gara Coal Co. |
| Mine Name | O'Gara No. 7 |
| Photo Date | Pre-1914 |
| Photo Credit | Illinois State Geological Survey |
| ISGS Library Call Number | M-968 |
| Caption | Surface breaks extending over a room in a mine near Harrisburg where the coal is 7 feet thick and 80 feet deep. The rooms are 24 feet wide and have 24 foot pillars |
| Publication | Fig. 13 Cooperative Bulletin 17 – Subsidence in Illinois |
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