Mine Index 2368 John Telfer, Telfer Mine

Mine Index Number: 2368

Company Name:	John Telfer
Mine Name:	Telfer Mine
Start Date:	1892	End Date:	1897
Type of Mine:	Underground
Total acres shown:	None
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 shaft

Grundy

33N 7E

4

NW NE NW

Geology

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

Colchester

25-29

2.5

RP

Production

Company

Mine Name

Date

Production (tons)

John Telfer (add)	Telfer (add)	1892-1897	2,313
Total Production: 2,313

Production Notes

Coal Report production (if available)

Sources of Data

Source Map

Map Date

Original Scale

Digitized Scale

Map Type

ISGS composite, Area 1

8-1950

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 composite map, 1950 mined-out area map, Area 1 - Mine location.