Mine Index 2360 Alexander Telfer, Telfer No. 4 Mine

Mine Index Number: 2360

Company Name:	Alexander Telfer
Mine Name:	Telfer No. 4 Mine
Start Date:	1882	End Date:	1895
Type of Mine:	Underground
Total acres shown:	None
Acres after map date:	15	General Area of mining acres shown:

Shaft, Slope, Drift or Tipple Location(s)

Type	County	Township-Range	Section	Part Section

Main shaft

Grundy

33N 7E

3

SE NW NW

Air / escape shaft (1884)

Grundy

Geology

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

Colchester

32-47

2.5-3.0

RP

Production

Company

Mine Name

Date

Production (tons)

Eades and Telfer (add)	Eades and Telfer (add)	1882-1883	3,420

Alexander Telfer (add)	Telfer No. 4 (add)	1883-1895	33,071

Total Production: 36,491

Production Notes

Coal Report production (if available)

Sources of Data

Source Map

Map Date

Original Scale

Digitized Scale

Map Type

ISGS map library, 4107 d5-25, sheet 3

1919

1:62500

1:62500

Secondary source

Annotated Bibliography (Data source - brief description of information)

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

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

Mine notes (Grundy County) - Mine type, shaft location.

ISGS Bulletin 43, Plate 3, ISGS map library, 4107 d5-25, sheet 3 - Mine location.