Mine Index Number: 4087
| Company Name:
|
Blue Bird Coal Company
|
| Mine Name:
|
Blue Bird No. 7 Mine
|
| Start Date:
|
1946
|
End Date:
|
March 1955
|
| Type of Mine:
|
Underground
|
| Total acres shown:
|
502
|
| 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
|
Williamson
|
9S 4E
|
14
|
SE NE SE
|
| Air shaft
|
Williamson
|
9S 4E
|
13
|
NW NW SW
|
Geology
| Springfield
|
185
|
|
|
4.17-4.83
|
MRP
|
Geological Problems Reported
Poor roof conditions may have halted mining to the south and east, since all entries are designated “bad top”. Bad top was also noted in NE NW SW and NW SW SW 13-T9S-R4E.
Production
| Company
|
Mine Name
|
Date
|
Production (tons)
|
Production Notes
Coal Report production (if available)
Sources of Data
| Company, 4103.W52 i5.1-91
|
9-28-1950
|
1:2400
|
1:2400
|
Not final The mined area shown on the accompanying map is the approximate size expected for the reported production. This suggests that the mine outline is complete.
|
| ISGS Coal Section files
|
10-20-1994
|
1:12000
|
1:12000
|
Secondary source The mined area shown on the accompanying map is the approximate size expected for the reported production. This suggests that the mine outline is complete.
|
Annotated Bibliography (Data source - brief description of information)
| Coal Reports - Production, ownership, years of operation.
|
| Directory of Illinois Coal Mines (Williamson County) - Mine names, mine index, ownership, years of operation.
|
| Mine notes (Williamson County) - Mine type, slope location, seam, depth, thickness, geologic problems.
|
| Company map, ISGS map library, 4103.W52 i5.1-91 - Slope and shaft locations, mine outline, mining method, geologic problems.
|
| ISGS Coal Section files, map of Sahara No. 21 Mine (mine index 911) - Mine outline (north, southwest).
|
Mine Notes
Mine Images
![[[:Blue Bird No. 7|Blue Bird No. 7]]](https://go.illinois.edu/ILMImages/williamson/thumbnails/m4087_th.jpg) These files may not be true to scale and are not georgistered.
|
Map Type:
|
Company
|
| Map ID:
|
4103.w52 i5.1-91
|
| Company:
|
Blue Bird Coal Company
|
| Mine Name:
|
Blue Bird No. 7
|
| Caption:
|
|
| Map Date:
|
09-28-1950
|
| Map Status:
|
Not Final
|
| Image Credit:
|
|
| Note:
|
|
| More Info:
|
M4087
|
| 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/williamson/m4087.zip
|
![[[:Sahara No. 21|Sahara No. 21]]](https://wikiimage.isgs.illinois.edu/ilmines/saline/thumbnails/m0911_th.jpg) 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
