Subject ASC0003uu4

The geologist : a popular monthly magazine of geology.
Vol.2 (1859), Page 189 (1859)
Natural History Museum Library, London
BHL Page 46197889

Keywords

fossil microscopic organism drawing description segmented Dikelocephalus Minnesotensis america stillwater minnesota united states lowest sandstone owen dale owen great lakes Dikelocephalus minnesotensis two-third natural size from the Lowest Sandstones at Stillwater Minnesota reduced from the figure in Dr. Dale Owen's "Geological Report of Wisconsin Iowa and Minnesota" geology extinct arthropoda trilobita asaphida upper cambrian trilobite Minnosota Geology

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