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Visual display of the Ctenodonta and Phylloporina

Ctenodonta and Phylloporina

  • July 30, 1914
  • Ulrich holding a hammer at contact of base of ctenodonta beds which show two beds of chert about 5 feet above the base. The thin bedded top layers are phylloporina beds. Contact is marked by brownish layers a fraction of an inch thick which can be followed the whole distance.

Publication Details Click to collapse

Date
July 30, 1914
Language
English
Description of Original
Black and white photograph, 5.5 inches by 3 inches.
State
WI
PLSS
  • T1NR8E 4th Meridian
Location of Original
Wisconsin Geological and Natural History Survey : H-14 p14 photograph 701 album p86
For Staff
METS

Map