Mine Index 0810 Groveland Coal Mining Company, Groveland No. 1 Mine

Mine Index Number: 0810

Company Name:	Groveland Coal Mining Company
Mine Name:	Groveland No. 1 Mine
Start Date:	1900	End Date:	April 1921
Type of Mine:	Underground
Total acres shown:	1,260
Acres after map date:		General Area of mining acres shown:
The boundary between Crescent No. 2 (mine index 0108) and Groveland No. 1 Mine (mine index 0810) could not be discerned. The outline shown on the accompanying map includes both mines.

Shaft, Slope, Drift or Tipple Location(s)

Type	County	Township-Range	Section	Part Section

Main shaft

Tazewell

25N 4W

7

NW SW NW

Air shaft

Tazewell

25N 4W

7

NW SW NW

Air shaft

Tazewell

25N 4W

7

SE NE SW

Geology

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

Springfield

85-96

3.0

4.67

4.3

RPP

Geological Problems Reported

A sandstone paleochannel was present above the coal, sometimes cutting out the limestone and massive gray shale above the coal. This sandstone held considerable water, which worked its way into the shale. The roof was practically impossible to keep up. After the shale came down, generally everything below the sandstone would eventually come down, sometimes up to 20 feet of material. The shaley limestone was only 2 to 8 inches thick, and had no supportive strength. The dark gray shale also had no supportive strength and fell readily. There was some black shale above the coal, and this contained large concretions, some over 1 foot thick and 2 feet long. The coal was very uniform in thickness except near horsebacks or rolls. Bedded impurities included thin streaks of clay and mother coal, and, on the eastern side of the mine, bands of brown pyrite that were 1.5 inches thick and up to 5 feet long. The eastern side of the mine had very poor conditions, including numerous horsebacks and blind slips in the coal and roof rock, which appeared to be horsebacks with no clay filling. The roof was very poor near these blind slips. The underclay floor heaved when wet and held water so that it was difficult to drain.

Production

Company

Mine Name

Date

Production (tons)

Phoenix Coal Company (add)	Hilliard No. 1 (add)	1900-1902	60,884

Edward Little (add)	Hilliard No. 1 (add)	1902-1903	34,000

Phoenix Coal Company (add)	Hilliard No. 1 (add)	1903-1909	242,068

C. J. Off, Phoenix Coal Company (add)	Hilliard No. 1 (add)	1909-1912	35,952

Groveland Coal Mining Company (add)	Groveland No. 1 (add)	1912-1921	1,426,414

Total Production: 1,799,318

Production Notes

Coal Report production (if available)

Sources of Data

Source Map

Map Date

Original Scale

Digitized Scale

Map Type

Company, MSHA_670_03

1-1-1930

1:2400

1:2400

Final

Company, PB_902_03

1-1-1927

1:2400

1:2400

Final

Annotated Bibliography (Data source - brief description of information)

Coal Reports - Production, ownership, years of operation.

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

Mine notes (Tazewell County) - Mine type, shaft location, seam, depth, thickness, geologic problems.

State archive map, MSHA_670_03 - Mine outline (southern, northeastern & eastern), shaft, southern air shaft, mining method.

State archive map, PB_902_03 - Mine outline (northwestern), slope& western air shafts locations.