Mine Index 0911   Sahara Coal Company, Inc.,   Sahara No. 21 Mine

From ILMINES WIKI
Disclaimer
INTERPRETING A MINE SUMMARY SHEET
Unlocated Mines In: Williamson unlocated, Saline unlocated
County: Saline
Williamson
Quadrangle: Carrier Mills
Harco
Pittsburg
County Coal Data: Saline
Williamson
Shown On Map: Yes
Unlocated: No
MSHA ID:

Mine Index Number: 0911

Company Name: Sahara Coal Company, Inc.
Mine Name: Sahara No. 21 Mine
Start Date: 1970 End Date: 1993
Type of Mine: Underground
Total acres shown: 3,333
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,  HER[1]

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
State archive, IL_793_08 7-1-1993 1:2400 1:2400 Final
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.
State archive, IL_793_08 - Shaft and slope locations, mine outline, mining method.
Company map, ISGS Coal Section files, 10-5-50 - Mining method.

Mine Notes

Mine Images

[[:Sahara No. 21|Sahara No. 21]]These files may not be true to scale and are not georgistered. Map Type: State Archive
Map ID: IL_793_08
Company: Sahara Coal Company, Inc.
Mine Name: Sahara No. 21
Caption:
Map Date: 07-01-1993
Map Status: Final
Image Credit:
Note:
More Info: M0911 IL 793 08
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://go.illinois.edu/ILMImages/saline/m0911 IL 793 08.zip
[[:Sahara No. 21|Sahara No. 21]]These files may not be true to scale and are not georgistered. Map Type: Company
Map ID: 10-5-50
Company: Sahara Coal Company, Inc.
Mine Name: Sahara No. 21
Caption:
Map Date: 10/20/1994
Map Status: Final/Secondary
Image Credit:
Note: Image is poor quality.
Secondary Source for Mine Index 4087
More Info: M0911
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://go.illinois.edu/ILMImages/saline/m0911.zip

Photographs

Notes

  1. Longwall 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.