Manuscript entitled, Fossil Flora and Fauna of the Pennsylvanian Period, Will County, Illinois
by George Langford (1876-1964)
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Brief description of the collection site, types of deposits,
and sketches of some of the fossils found there, pp 14-15.

GL's handwritten description of the structure of the Wilmington pit walls.
GL's handwritten notes about the structure of the pit walls at the Wilmington coal mine, 1937-1938, page 14
GL's sketches of some of the various types of Mazon Creek fossil plants
Lepidodendron and Lepidophloios, GL sketches, page 15
Bark patterns of trees and Megaphyton, GL sketches, page 15
Note: the scan of the original page 14 is here; page 15 is here. The original pages were letter size but the images may have been cropped slightly. 
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