“Postcard of a coal mine in Glen Carbon, Illinois,” Madison Historical, accessed November 27, 2021, https://madison-historical.siue.edu/archive/items/show/104.
The content of Madison Historical: The Online Encyclopedia and Digital Archive is publicly available for use in research, teaching, and private study. Encyclopedia articles, oral histories, web design, and other content original to Madison Historical are licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License. Images in encyclopedia articles not part of the digital archive are either in the public domain or Madison Historical received use permission by the original creators. While in most cases Madison Historical received permission to publish archive items from the institution or individual who possessed the item, it has not determined their copyright status. Please contact the possessing institution or individual for additional information regarding copyright status.