Mine Index 0356   Essley Coal Company,   Black Diamond No. 1 Mine

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Unlocated Mines In: Mercer unlocated
County: Mercer
Quadrangle: Viola
County Coal Data: Mercer
Shown On Map: Yes
Unlocated: No

Mine Index Number: 0356

Company Name: Essley Coal Company
Mine Name: Black Diamond No. 1 Mine
Start Date: 1920 End Date: 1932
Type of Mine: Underground
Total acres shown: 66
Production Indicated Acres: 15 General Area of mining acres shown:

Various maps showed vaguely where the shaft and slope were located, and the mine location is not precisely known.

Shaft, Slope, Drift or Tipple Location(s)

Type County Township-Range Section Part Section
Main shaft Mercer 14N 2W 2 NW SE SW
Slope Mercer 14N 2W 2 SE SW SW


Thickness (ft)
Seam Depth (ft) Min Max Ave Mining Method
Rock Island 38-60 4.0 4.5 4.2 RP

Geological Problems Reported

The immediate roof was black shale that ranged from 24 to 36 inches thick. The caprock above the shale was 18 inches of black rock. Water came into the mine through cracks in the shale roof and via sandstone under the coal. The mine notes state that the pillars were largely pulled and subsidence had taken place before 1964. The coal had a pyrite and pyrite concretion layer about 18 inches below the roof.


Company Mine Name Date Production (tons)
G. P. Brassmer Black Diamond 1920-1927 15,683 Production after map date
Essley Coal Company Black Diamond No. 1 1926-1932 The slope was constructed in 1926, and apparently listed simultaneously with active production from the original shaft. 39,236
Total Production: 54,919

Production Notes

Coal Report production (if available)

Sources of Data

Source Map Map Date Original Scale Digitized Scale Map Type
Map library, 4103.M42 d5.1-3 1922 1:62500 1:62500 Secondary source
Coal Section files (Alexis Quadrangle) Undated 1:62500 1:62500 Secondary source

Annotated Bibliography (Data source - brief description of information)

Coal Reports - Production, ownership, years of operation.
Directory of Illinois Coal Mines (Mercer County) - Mine names, mine index, ownership, years of operation.
Mine notes (Mercer County) - Mine type, shaft & slope locations, seam, depth, thickness, mining method, geologic problems.
ISGS map library, 4103.M42 d5.1-3 (H. E. Culver) - Shaft location.
Coal Section files, undated work maps on USGS topographic map, 15-minute Alexis Quadrangle - Shaft and slope locations.

Mine Notes

Mine Images