Mine Index Number: 2706
| Company Name:
|
Seneca Coal Company
|
| Mine Name:
|
Seneca Mine
|
| Start Date:
|
1881
|
End Date:
|
1922
|
| Type of Mine:
|
Underground
|
| Total acres shown:
|
50
|
| Production Indicated Acres:
|
20
|
General Area of mining acres shown:
|
|
|
|
Shaft, Slope, Drift or Tipple Location(s)
| Type
|
County
|
Township-Range
|
Section
|
Part Section
|
| Main shaft
|
La Salle
|
33N 5E
|
23
|
SW SE NE
|
| Air shaft
|
La Salle
|
33N 5E
|
23
|
SW SE NE
|
Geology
| Colchester
|
125
|
|
|
3.0
|
LW (old longwall)
|
Geological Problems Reported
The floor of this mine was a fire clay at least 12 feet thick that clay was hard and gray, but became lighter with depth.
Production
| Company
|
Mine Name
|
Date
|
Production (tons)
|
|
|
|
|
|
| Total Production: 294,842
|
Production Notes
Coal Report production (if available)
Sources of Data
| Microfilm, document 352439
|
7-1914
|
1:1200
|
1:2069
|
Not final
|
Annotated Bibliography (Data source - brief description of information)
| Coal Reports - Production, ownership, years of operation.
|
| Directory of Illinois Coal Mines (La Salle County) - Mine names, mine index, ownership, years of operation.
|
| Mine notes (La Salle County) - Mine location.
|
| Illinois Coal Mining Investigations Bulletin 10 - Seam, depth, thickness, geologic problems.
|
| Microfilm map, document 352439, reel 03139, frame 115 - Shaft locations, mine outline, mining method.
|
Mine Notes
Mine Images
Photographs
