Manuscript entitled, Fossil Flora and Fauna of the Pennsylvanian Period, Will County, Illinois
by George Langford (1876-1964)
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Sphenopteris and S. placata; S. obtusiloba, S. trifoliata, S. mixta, S. fragilis, S. alata and S. spiniformis, pp 71-73.
Sphenopteris plicata.
Sphenopteris, photograph by GL, page 71
 Sphenopteris
Sphenopteris plicata, GL photograph, page 71
Sphenopteris plicata.
Sphenopteris plicata, sketches by GL. page 71
 Sphenopteris
Sphenopteris plicata, GL sketch page 71
Sphenopteris obtusiloba.
Sphenopteris obtusiloba,GL photograph, page 72
 Sphenopteris obtusiloba.
Sphenopteris obtusiloba, sketches by GL, page 72
Sphenopteris trifoliata.
Sphenopteris trifoliata, GL photograph, page 72
 Sphenopteris fragilis.
Sphenopteris fragilis, GL photograph, page 72
Sphenopteris mixta, below and right.

Sphenopteris mixta, GL photographs, page 72
 Sphenopteris mixta, GL sketches, page 72
Sphenopteris spiniformis.
Sphenopteris spiniformis, GL photographs, page 73
 Sphenopteris alata.
Sphenopteris alata, GL photograph, page 73
8. Sphenopteris spiniformis; 9. S. alata.

Sphenopteris spiniformis, S. alata, GL sketches, page 73

Note: the scan of the original page 71 is here;
page 72 is here; and page 73 is here.
The original page was letter size
but the image may have been cropped slightly. 
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