Category:Blackhawk-Quadrangle

From ILMINES WIKI

County Coal Data

Blackhawk-Quadrangle County

Mines that Appear in Blackhawk-Quadrangle

*9998 & 9999 = Unknown dates

Unlocated Mines in Blackhawk-Quadrangle

Mine that have known coal production but no known location
There are no known Unlocated mines in this county

Historical Mined Out Area Maps

WPA

These maps were constructed as part of the nationwide Works Projects Administration (WPA), generally between 1934 and 1937 with some later updates or revisions,

Disclaimer
Maps for some locations might have multiple versions/seams, please inspected these areas closely for differences.
Notes and corrections were made by ISGS staff.
These maps are reproductions from microfilm, they may be of poor quality with text difficult to read.

There are no Quade Maps for this county

Federal Land Bank of St. Louis, Preliminary Reports on Subsidence Investigations

Federal Land Bank of St. Louis, Preliminary Reports on Subsidence Investigations (refered by Coal Section Staff as "Quade Maps")
Mining engineers working for the Federal Land Bank of St. Louis mapped areas of subsidence due to coal mining in the early 1930s. These reports often include county maps of mine properties with mined-out areas including shaft locations, as well as subsidence areas.

Disclaimer
Maps for some locations might have multiple versions/seams, please inspected these areas closely for differences.
These maps are accompanied by a report, please download and inspect this document.
Notes and corrections were made by ISGS staff.

There are no Quade Maps for this county

Photographs

Pages in category "Blackhawk-Quadrangle"

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