Mine Index 2341 Wilmington Coal Mining and Manufacturing Company, Diamond No. 3 Mine

Mine Index Number: 2341

Company Name:	Wilmington Coal Mining and Manufacturing Company
Mine Name:	Diamond No. 3 Mine
Start Date:	1875	End Date:	1892
Type of Mine:	Underground
Total acres shown:	218
Acres after map date:	40	General Area of mining acres shown:

Shaft, Slope, Drift or Tipple Location(s)

Type	County	Township-Range	Section	Part Section

Main shaft

Grundy

32N 8E

1

NW NE SE

Air shaft

Grundy

32N 8E

1

NW NE SE

Geology

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

Colchester

103-106

3.0

LW

Production

Company

Mine Name

Date

Production (tons)

Wilmington Coal Mining and Manufacturing Company (add)	Diamond No. 3 (add)	1875-1887	351,827 Production before July 1881 is unknown.

Wilmington Coal Mining and Manufacturing Company (add)	Diamond No. 3 (add)	1887-1892	726,296 Production after map date. Most of this production is included in the western part of the mine, which has a final map.

Total Production: 1,078,123

Production Notes

Coal Report production (if available)

Sources of Data

Source Map

Map Date

Original Scale

Digitized Scale

Map Type

Microfilm, document 351485

3-1887

1:1200

1:2317

Not final

Sanborn

1892

1:1674

1:1674

Secondary source

Company

4-1906

1:1200

1:1200

Final

Annotated Bibliography (Data source - brief description of information)

Coal Reports - Production, ownership, years of operation, mine type, seam, depth, thickness, mining method.

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

Mine notes (Grundy County) - Shaft location, years of operation.

Microfilm map, document 351485, reel 03136, frame 234 - Shaft locations, mine outline (eastern half).

Sanborn-Perris Map Company (Braidwood) - Shaft locations.

Company map, traced 2006 - Mine location, mine outline (western half). Original map is mounted on the wall of the Coal City Public Library, Coal City, Illinois.