File:M-991 Coop 17 fig 12.jpg
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| Mine Index(s): | 0064 |
| Mine Company: | Hafer Washed Coal Company |
| Mine Name | Hafer No. 3 Mine |
| Photo Date | Pre-1914 |
| Photo Credit | Illinois State Geological Survey |
| ISGS Library Call Number | M-991 |
| Caption | Surface breaks in a field near Carterville, 300 yards SW of Hafer Washed Coal Co. The shaft is 120 feet deep and a 7 foot bed of coal is being mined. The roof is slate and the overburden is clay; no quicksand has been noted. The breaks are about 20 feet in diameter and from a few feet to as much as 20 feet deep. |
| Publication | Fig. 12 Cooperative Bulletin 17 – Subsidence in Illinois |
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| current | 15:13, January 24, 2019 | | 2,500 × 1,471 (575 KB) | Alan.Myers (talk | contribs) |
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