entitled, Fossil Flora and Fauna of
the Pennsylvanian Period, Will County, Illinois by George Langford (1876-1964) Return
Giant Dragon-Fly; coal
measures of Commentry, France, page 116. Note:
of the original page 116 is here. The original page was letter size
but the image may have been cropped slightly.
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Dragon-Fly - Coal Measures of Commentry, France.