Mine Index 2956   Northwestern Clay Manufacturing Company,   Northwestern Mine

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

Mine Index Number: 2956

Company Name: Northwestern Clay Manufacturing Company
Mine Name: Northwestern Mine
Start Date: 1907 End Date: 1908
Type of Mine: Underground
Total acres shown: 11
Production Indicated Acres: Less than 1 General Area of mining acres shown:

The source map merely indicates a general area of mining.

Shaft, Slope, Drift or Tipple Location(s)

Type County Township-Range Section Part Section
Main shaft Mercer 14N 1W 3 SE NW NW


Thickness (ft)
Seam Depth (ft) Min Max Ave Mining Method
Rock Island 40 2.83 RP

Geological Problems Reported


Company Mine Name Date Production (tons)
Northwestern Clay Manufacturing Company Northwestern 1907-1908 75
Total Production: 75

Production Notes

Coal Report production (if available)

Sources of Data

Source Map Map Date Original Scale Digitized Scale Map Type
ISGS Mined Out Area Map, Area 6 1950 approx. 1:130000 1:62500 The outline and shaft location drawn on the 1950 Mined Out Area map were designated as "Quade", after John C.Quade who made maps and reports in the mid-1930s for the Federal Land Bank of St. Louis. The scale of the maps included with the Federal Land Bank reports was generally approximately 1:130000, while the 1950 Mined Out Area maps were drawn at 1:62500. Secondary source

Annotated Bibliography (Data source - brief description of information)

Coal Reports - Production, ownership, years of operation, mine type, seam, depth, thickness, mining method.
Directory of Illinois Coal Mines (Mercer County) - Mine names, mine index, ownership, years of operation.
Mine notes (Mercer County) - Mine location.
ISGS 1950 Mined Out Area Map, Area 6 - Shaft location, mine outline, mining method.

Mine Notes

Mine Images