Mine Index 2948 John W. Mallergren, Black Diamond Mine

Mine Index Number: 2948

Company Name:	John W. Mallergren
Mine Name:	Black Diamond Mine
Start Date:	1927	End Date:	1943
Type of Mine:	Underground
Total acres shown:	19
Acres after map date:	1	General Area of mining acres shown:

Shaft, Slope, Drift or Tipple Location(s)

Type	County	Township-Range	Section	Part Section

Main shaft

Menard

18N 7W

25

SE SW SW

Air shaft

Menard

18N 7W

25

SW SE SW

Geology

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

Springfield

MRP

Production

Company

Mine Name

Date

Production (tons)

John W. Mallergren (add)	Black Diamond (add)	1927-1942	89,005 Idle 1935

John W. Mallergren (add)	Black Diamond (add)	1942-1943	5,306 Production after map date

Total Production: 94,311

Production Notes

Coal Report production (if available)

Sources of Data

Source Map

Map Date

Original Scale

Digitized Scale

Map Type

Microfilm, document 352212

11-30-1942

1:2400

1:2400

Not final

Annotated Bibliography (Data source - brief description of information)

Coal Reports - Production, ownership, years of operation.

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

Microfilm map, document 352212, reel 03138, frame 267 - Shaft locations, mine outline, mining method.