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Transcription
C. U. GEOL. DEPT.
1075 E FIELD NOTES. 1075, C.
Lee's G. L. H.
Orthis lemniscis (r)
R. duplicata (aa)
Productella hystricula var.
Amb. u. v. gregaria (c)
Grammyie. fragil
Hard calcareous layers contain all of these while the soft layers abound in Productella & a few R. duplicata