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Polished vertical section of a compound algal head. Sweetwater County, Wyoming. 1923.

Dates

Date Taken
1923

Summary

Polished vertical section of a compound algal head consisting of many small heads, each of which represents a single colony of Chlorellopsis coloniata Reis., these minor bands rest upon a zone of spongy algal deposit, which is separated from another similar zone below by a finely banded inorganic agate like zone; natural size. Specimen is from Tipton tongue of Green River formation in NE 1/4 NE 1/4 sec. 16, T.24 N., R. 102 W. Sweetwater County, Wyoming. 1923. Plate 44-A in U.S. Geological Survey. Professional paper 154. 1929.

Contacts

Data Owner :
U.S. Geological Survey
Photographer :
Bradley, W.H.

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bwh00208.jpg thumbnail 15.22 MB image/jpeg

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Identifiers

Type Scheme Key
name photoLibrary bwh00208
number photoLibrary 4201
batch photoLibrary btch274
number_in_book photoLibrary 208

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