Fig. 7, --The Steagall site of the filmy fern in the south section of Jackson Hollow. When this photo- 
graph was taken in 1954, many fronds of the filmy fern were growing in this undercut. 
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Fig, 8, --The Steagall site of the filmy fern in the south section of Jackson Hollow, This photograph 
was taken July 22, 1959. Only a few fronds of filmy fern remained on the sandstone exposure, which was 
covered principally with mosses and liverworts. 
