Mine Index 0856 Midland Electric Coal Corporation, Green Diamond Mine

Mine Index Number: 0856

Company Name:	Midland Electric Coal Corporation
Mine Name:	Green Diamond Mine
Start Date:	1948	End Date:	March 1966
Type of Mine:	Underground
Total acres shown:	2,429
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

St. Clair

3S 6W

16

SW SW SW

Air shaft

St. Clair

3S 6W

16

NW SW SW

Geology

		Thickness (ft)
Seam	Depth (ft)	Min	Max	Ave	Mining Method

Herrin

77-100

7.0

CRP

Geological Problems Reported

Rolls were present locally, and the contact between the coal and the roof shale was very irregular. The mine maps indicated bad top in several locations throughout the mine (central, south-central, northwest, and along the eastern perimeter).

Production

Company

Mine Name

Date

Production (tons)

Mid-Continent Coal Corporation (add)	Green Diamond (add)	1948-1961	8,906,464

Midland Electric Coal Company Former ownership also includes Peabody Coal Company and Walter Bledsoe & Company (production not reported under these names). (add)	Green Diamond (add)	1962-1966	4,420,081

Total Production: 13,326,545

Production Notes

Coal Report production (if available)

Sources of Data

Source Map

Map Date

Original Scale

Digitized Scale

Map Type

State archive, PB_145_01

3-20-1966

1:2400

1:2400

Final

Annotated Bibliography (Data source - brief description of information)

Coal Reports - Production, ownership, years of operation, depth, thickness.

Directory of Illinois Coal Mines (St. Clair County) - Mine names, mine index, ownership, years of operation.

Mine notes (St. Clair County) - Mine type, shaft location, seam, geologic problems.

State archive, PB_145_01 - Slope and shaft locations, mine outline, mining method, geologic problems.