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===Geological Problems Reported===
===Geological Problems Reported===
The roof was generally up to 4 feet of black Anna Shale topped by clod and limestone. Joints were common in the Anna Shale, and the shale broke along the joint surfaces and fell. In some places, the roof was nodular limestone that slabbed off in thicknesses of a foot or more along shaley partings and did not make a competent roof. Generally, the limestone was more solid in the eastern portion of the mine than in the western part. In some areas, the roof was gray shale, which sometimes contained coal balls in the upper part of the seam. Pyrite was present in the coal along fracture faces, in thin bands, and mixed in the durain bands. Squeezing took place before 1974. In some areas, 2 feet of upheaval was noted, but a mine examiner reported that in some areas, the squeezing was all the way to the roof. This caused the pillars to crack.
The roof was generally up to 4 feet of black Anna Shale topped by clod and limestone. Joints were common in the Anna Shale, and the shale broke along the joint surfaces and fell. In some places, the roof was nodular limestone that slabbed off in thicknesses of a foot or more along shaley partings and did not make a competent roof. Generally, the limestone was more solid in the eastern portion of the mine than in the western part. In some areas, the roof was gray shale, which sometimes contained concretions in the upper part of the seam. Pyrite was present in the coal along fracture faces, in thin bands, and mixed in the durain bands. Squeezing took place before 1974. In some areas, 2 feet of upheaval was noted, but a mine examiner reported that in some areas, the squeezing was all the way to the roof. This caused the pillars to crack.


==Production==
==Production==

Revision as of 15:27, November 16, 2021

Disclaimer
INTERPRETING A MINE SUMMARY SHEET
Unlocated Mines In: Randolph unlocated
County: Randolph
Quadrangle: Tilden
Coulterville
Steeleville
County Coal Data: Randolph
Shown On Map: Yes
Unlocated: No
MSHA ID:

Mine Index Number: 0701

Company Name: Old Ben Coal Company
Mine Name: Spartan Mine
Start Date: 1952 End Date: 1997
Type of Mine: Underground
Total acres shown: 7,197
Acres after map date: General Area of mining acres shown:

Shaft, Slope, Drift or Tipple Location(s)

Type County Township-Range Section Part Section
Hoist slope Randolph 4S 5W 21 NE SE SE
Materials slope Randolph 4S 5W 21 SE SE SE

Geology

Thickness (ft)
Seam Depth (ft) Min Max Ave Mining Method
Herrin 200-203 6.0-6.75 RPP

Geological Problems Reported

The roof was generally up to 4 feet of black Anna Shale topped by clod and limestone. Joints were common in the Anna Shale, and the shale broke along the joint surfaces and fell. In some places, the roof was nodular limestone that slabbed off in thicknesses of a foot or more along shaley partings and did not make a competent roof. Generally, the limestone was more solid in the eastern portion of the mine than in the western part. In some areas, the roof was gray shale, which sometimes contained concretions in the upper part of the seam. Pyrite was present in the coal along fracture faces, in thin bands, and mixed in the durain bands. Squeezing took place before 1974. In some areas, 2 feet of upheaval was noted, but a mine examiner reported that in some areas, the squeezing was all the way to the roof. This caused the pillars to crack.

Production

Company Mine Name Date Production (tons)
Midwest Utilities Coal Corporation Bradbury 1952-1957 2,165,914
Zeigler Coal and Coke Company Spartan 1957-1970 11,310,966
Zeigler Coal Company Spartan No. 2 1971-1991 Idle 1983 & 1984 15,399,408
Old Ben Coal Company Spartan 1992-1997 9,079,821

Production Notes

Coal Report production (if available)

Sources of Data

Source Map Map Date Original Scale Digitized Scale Map Type
Company, Coal Section files 4-24-1998 1:4800 1:4800 Final

Annotated Bibliography (Data source - brief description of information)

Coal Reports - Production, ownership, years of operation, seam, depth, thickness.
Directory of Illinois Coal Mines (Randolph County) - Mine names, mine index, ownership, years of operation.
Mine notes (Randolph County) - Mine type, slope location, geologic problems.
Company map, Coal Section files - Slope locations, mine outline, mining method.

Mine Notes

Mine Images

[[:Spartan|Spartan]]These files may not be true to scale and are not georgistered. Map Type: Company
Map ID:
Company: Old Ben Coal Company
Mine Name: Spartan
Caption:
Map Date: 04-24-1998
Map Status:
Image Credit:
Note:
More Info: M0701
Full Res Download:These files are true to scale and most are georegistered for gis software. These files may be a very large (>1GB) download! https://wikiimage.isgs.illinois.edu/ilmines/randolph/m0701.zip

Photographs

Additional Notes