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Revision as of 14:19, December 1, 2021

Disclaimer
INTERPRETING A MINE SUMMARY SHEET
Unlocated Mines In: Saline unlocated
County: Saline
Quadrangle: Carrier Mills
County Coal Data: Saline
Shown On Map: Yes
Unlocated: No
MSHA ID:

Mine Index Number: 0802

Company Name: Sahara Coal Company, Inc.
Mine Name: Sahara No. 7 Mine
Start Date: 1944 End Date: September 1986
Type of Mine: Underground
Total acres shown: 310 (Herrin Seam), 501(Springfield Seam)
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 16 SE NW SE
Air slope Saline 9S 5E 16 SW NE SE

Geology

Thickness (ft)
Seam Depth (ft) Min Max Ave Mining Method
Herrin (1982-1986) 160-180 4.5-5.0 RPP
Springfield (1944-1957) 288-295 (305-355) 5.17-6.25 RPP

Geological Problems Reported

The Herrin Coal had a series of faults and rolls in the main north entries, most with displacements ranging from 6 inches to 7 feet. Several northwest-southeast trending faults cut through the mine in both seams, in some cases limiting development and in others not disrupting the pattern of mining at all. The displacement along these faults was often not noted on the source map. The source map for the Springfield Coal noted “bad top” along the east side of the mine. This probably prevented expansion in this direction, both for this mine and for Peabody No. 44 Mine’s (mine index 129) westward expansion in the same area. There is some faulting in this area as well.

Production

Company Mine Name Date Production (tons)
Bankston Creek Collieries Company Bankston Creek Collieries No. 7 1944-1950 1,452,052
Sahara Coal Company, Inc. Sahara No. 7 1951-1957Idle 1955; last day worked 10-11-1957, mine abandoned 12-15-1959. Reopened in 1982. 944,735
Sahara Coal Company, Inc. Sahara No. 7 1982-1986 874,926

Production Notes

Coal Report production (if available)

Sources of Data

Source Map Map Date Original Scale Digitized Scale Map Type
Company, 4103.S32 i5.1-86 12-15-1959 1:2400 1:2400 Final
Company, 10-5-56 1989 1:2400 1:2400 Final

Annotated Bibliography (Data source - brief description of information)

Coal Reports - Production, ownership, years of operation, depth, thickness, mining method.
Directory of Illinois Coal Mines (Saline County) - Mine names, mine index, ownership, years of operation.
Mine notes (Saline County) - Mine type, slope location, seam, depth, thickness, geologic problems.
Company map, ISGS map library, 4103.S32 i5.1-86 - Slope locations, mine outline mining method, geologic problems (Springfield Coal).
Company map, ISGS Coal Section files, 10-5-56 - Slope locations, mine outline, mining method, geologic problems (Herrin Coal).

Mine Notes

Mine Images

[[:Sahara No. 7|Sahara No. 7]]These files may not be true to scale and are not georgistered. Map Type: State Archive
Map ID: ms_31
Company: Sahara Coal Company, Inc.
Mine Name: Sahara No. 7
Caption: Last Day of Work 09-09-1986

Mine Shut down 09-12-1986

Map Date: 04-11-1988
Map Status: Final
Image Credit:
Note: Final Map for Herrin Seam
More Info: M0802 ms 31
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/m0802 MS 31.zip
[[:Sahara No. 7|Sahara No. 7]]These files may not be true to scale and are not georgistered. Map Type: State Archive
Map ID: IL_2580_01
Company: Sahara Coal Company, Inc.
Mine Name: Sahara No. 7
Caption:
Map Date: 12-15-1959
Map Status: Final
Image Credit:
Note: Final map for the Springfield Seam
More Info: M0802 IL 2580 01
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/m0802 IL 2580 01.zip

Photographs

Additional Notes

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Coal Report production