This website or downloads from this website may be unavailable January 7th to January 14th, due to server maintenance.
ILMines (Coal Mine) Viewer should still be available at this (Link)

Oraville No. 2: Revision history

Diff selection: Mark the radio buttons of the revisions to compare and hit enter or the button at the bottom.
Legend: (cur) = difference with latest revision, (prev) = difference with preceding revision, m = minor edit.

Retrieved from "https://ilmineswiki.web.illinois.edu/wiki/Oraville_No._2"