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Combined display of all available logs of ILSTRAT. You can narrow down the view by selecting a log type, the username (case-sensitive), or the affected page (also case-sensitive).
- 15:55, 4 April 2016 Alan.Myers talk contribs uploaded File:Figure Q-7.jpg (Fig. Q-7 -- Diagrammatic cross section showing the relations of the formations and members of Illinoian age in central and western Illinois (Willman and Frye, 1970).)