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Microfossil of the oil shale of the Green River formation: Trilobate spinose pollen grain. Colorado or Utah. 1925.

Dates

Date Taken
1925

Summary

Microfossil of the oil shale of the Green River formation: Trilobate spinose pollen grain. Colorado or Utah. 1925. Plate 25, figure 3, U.S. Geological Survey. Professional paper 168. 1931.

Contacts

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

Attached Files

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bwh00065.jpg thumbnail 11.36 MB

Rights

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Additional Information

Identifiers

Type Scheme Key
name photoLibrary bwh00065
number photoLibrary 4151
batch photoLibrary btch280
number_in_book photoLibrary 65

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