Historical Mined-Out Area (MOA) 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.
Federal Land Bank of St. Louis, Preliminary Reports on Subsidence Investigations
Federal Land Bank of St. Louis, Preliminary Reports on Subsidence Investigations (referred 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, please inspected these areas closely for differences. These maps are accompanied by a report, please download this report for more information. Notes and corrections were made by ISGS staff.
