Mine Index 0647 Pioneer Mining Company, Pioneer No. 1 Mine

Mine Index Number: 0647

Company Name:	Pioneer Mining Company
Mine Name:	Pioneer No. 1 Mine
Start Date:	1934	End Date:	1955
Type of Mine:	Underground
Total acres shown:	11
Acres after map date:	1	General Area of mining acres shown:
Portions of this mine were later surface mined by the Mary Ann No. 1 Mine (mine index 3307).

Shaft, Slope, Drift or Tipple Location(s)

Type	County	Township-Range	Section	Part Section

Main slope

Saline

9S 7E

23

NW SW SW

Air shaft

Saline

9S 7E

23

NW SW SW

Geology

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

Springfield

30-35

4.5

MRP

Geological Problems Reported

The source map shows “bad top” south of the main haulage routes. Mining advanced to the north, so it is likely that poor roof conditions prevented mining southeast of the mine outline.

Production

Company

Mine Name

Date

Production (tons)

New Rocky Branch Coal Company (add)	New Rocky Branch (add)	1934-1934	500

Rocky Branch Coal Company (add)	Rocky Branch No. 1 (add)	1935-1937	1,343

Jones and Gill (add)	Jones and Gill (add)	1938-1939	1,921

Rocky Branch Coal Company (add)	Rocky Branch No. 1 (add)	1939-1941	1,737

Idle		1942-1951

Pioneer Mining Company (add)	Pioneer No. 1 (add)	1952-1955	36,804

Pioneer Mining Company (add)	Pioneer No. 1 (add)	1955-1955	5,650

Total Production: 47,955

Production Notes

Coal Report production (if available)

Sources of Data

Source Map

Map Date

Original Scale

Digitized Scale

Map Type

Microfilm, document 352608

6-30-1955

1:600

1:1158

Not final

Annotated Bibliography (Data source - brief description of information)

Coal Reports - Production, ownership, years of operation.

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

Mine notes (Saline County) - Mine type, slope location, seam, depth, thickness.

Microfilm map, document 352608, reel 03140, frame 358 - Slope and shaft locations, mine outline, mining method, geologic problems.