Mine Index 0433 Southern Illinois Coal Company, Southern Illinois No. 21 Mine

Mine Index Number: 0433

Company Name:	Southern Illinois Coal Company
Mine Name:	Southern Illinois No. 21 Mine
Start Date:	1911	End Date:	December 1937
Type of Mine:	Underground
Total acres shown:	1,107
Acres after map date:	18	General Area of mining acres shown:

Shaft, Slope, Drift or Tipple Location(s)

Type	County	Township-Range	Section	Part Section

Main shaft (9.5'x17.5')

Franklin

7S 2E

24

SE NE SW

Air shaft (9.5'x14')

Franklin

7S 2E

24

SW NW SE

Geology

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

Herrin

450-460

6.0

10.0

8.5-9.0

MRP

Geological Problems Reported

Some squeezes occurred in the east half of SW 24-T7S-R2E; the SW SW part of 23- T7S-R2E has an area labeled “caved”.

Production

Company

Mine Name

Date

Production (tons)

West Frankfort Coal Company (add)	West, West Frankfort No. 1 (add)	1911-1919	2,926,185

Southern Gem Coal Corporation (add)	Southern Gem No. 1 (add)	1919-1926	2,296,249

Brewerton Coal Company (add)	Brewerton No. 21 (add)	1927-1932	1,520,700

West Frankfort Coal Company (add)	West Frankfort No. 21 (add)	1933-1934	229,735

West Mine Coal Corporation (add)	West No. 21 (add)	1935-1936	64,958

Frankfort Coal Company (add)	Frankfort No. 21 (add)	1936-1937	86,997

Southern Illinois Coal Company (add)	Southern Illinois No. 21 (add)	1937-1937	116,221

Total Production: 7,241,045

Production Notes

Coal Report production (if available)

Sources of Data

Source Map

Map Date

Original Scale

Digitized Scale

Map Type

Microfilm, document 351425

5-15-1937

1:2400

1:4634

Not final

Microfilm, document 351435

6-30-1954

1:4800

1:9931

Secondary source

Annotated Bibliography (Data source - brief description of information)

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

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

Mine notes (Franklin County) - Mine type, shaft locations, seam.

Microfilm map, document 351425, reel 03136, frames 78-88 - Shaft locations, mine outline, mining method, geologic problems.

Microfilm map, document 351435, reel 03136, frames 103, 104, map of Old Ben No. 15 Mine (mine index 428) - Mine outline (southwest).

Company map, ISGS map library, Old Ben Coal Company Archive Collection - Mine outline (southwest).