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Revision as of 15:14, April 18, 2024
Mine Index Number: 0911
Company Name: | Sahara Coal Company, Inc. | ||
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Mine Name: | Sahara No. 21 Mine | ||
Start Date: | 1970 | End Date: | 1993 |
Type of Mine: | Underground | ||
Total acres shown: | 3,107 | ||
Acres after map date: | General Area of mining acres shown: | ||
Shaft, Slope, Drift or Tipple Location(s)
Type | County | Township-Range | Section | Part Section |
---|
Main slope | Saline | 9S 5E | 17 | NE SE SE |
Air shaft | Saline | 9S 5E | 17 | SE SE SE |
Geology
Thickness (ft) | |||||
---|---|---|---|---|---|
Seam | Depth (ft) | Min | Max | Ave | Mining Method |
Springfield | 210-280 | 6.0 | 4.3-5.0 | RPP, LW, HERLongwall mining was done in the northwest part of the mine. Pillars were pulled in several areas in the northern and southwestern parts of the mine. |
Geological Problems Reported
The roof was good throughout. Falls occurred only along faulted or sheared roof areas. There were many discontinuous faults and fractures.
Production
Company | Mine Name | Date | Production (tons) |
Sahara Coal Company, Inc. | Sahara No. 21 | 1970-1993 | 12,487,858 |
Total Production: 12,487,858 |
Production Notes
Coal Report production (if available)
Sources of Data
Source Map | Map Date | Original Scale | Digitized Scale | Map Type |
Company, 10-5-50 | 10-20-1994 | 1:12000 | 1:12000 | Final |
Annotated Bibliography (Data source - brief description of information)
Coal Reports - Production, ownership, years of operation, depth, thickness. |
Directory of Illinois Coal Mines (Saline County) - Mine names, mine index, ownership, years of operation. |
Mine notes (Saline County) - Mine type, slope location, seam, thickness, geologic problems. |
Company map, ISGS Coal Section files, 10-5-50 - Shaft and slope locations, mine outline, mining method. |
Mine Notes
Mine Images
Photographs