Mine Index 2388 John Heather, Heather Mine

Mine Index Number: 2388

Company Name:	John Heather
Mine Name:	Heather Mine
Start Date:	1884	End Date:	1924
Type of Mine:	Underground
Total acres shown:	None
Production Indicated Acres:	26	General Area of mining acres shown:

Shaft, Slope, Drift or Tipple Location(s)

Type	County	Township-Range	Section	Part Section

Shaft (new)

Grundy

34N 7E

29

NW SE SE

Shaft (old)

Grundy

34N 7E

29

SE SW SE

Geology

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

Colchester

29-35; 65-90

2.5

3.0

2.75

RP

Geological Problems Reported

Some slight rolls cut out part of the coal seam. The roof was 37 feet of shale, and some roof falls were noted. The coal contained pyritic lenses about 6 inches from the top of the seam. Calcite linings and pyrite nodules were present along the joints and irregularly throughout the coal.

Production

Company

Mine Name

Date

Production (tons)

Frank Gilbride (add)	Gilbride No. 1The first shaft was 29 to 35 feet deep, and the second was 65 to 90 feet deep. (add)	1884-1893	9,877

Frank Gilbride (add)	Gilbride No. 2The first shaft was 29 to 35 feet deep, and the second was 65 to 90 feet deep. (add)	1894-1909	35,794

John Heather (add)	Heather (add)	1909-1924	19,385 Idle 1915 & 1916; production not reported in 1922 for mines producing less than 10,000 tons. note

Total Production: 65,056

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

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, 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, depth, thickness, geologic problems.

ISGS composite map, 1950 mined-out area map, Area 1 - Ownership, shaft location (new shaft).

ISGS Bulletin 43, Plate 3, ISGS map library, 4107 d5-25, sheet 3 - Shaft location (old shaft).