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Microfossil of the oil shale of the Green River formation: Triangular pollen with very large apertures. Colorado or Utah. 1925.

Dates

Date Taken
1925

Summary

Microfossil of the oil shale of the Green River formation: Triangular pollen with very large apertures. Colorado or Utah. 1925. Plate 25, figure 2, U.S. Geological Survey. Professional paper 168. 1931.

Contacts

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

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bwh00272.jpg thumbnail 12.3 MB image/jpeg

Rights

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Additional Information

Identifiers

Type Scheme Key
name photoLibrary bwh00272
number photoLibrary 4242
batch photoLibrary btch280
number_in_book photoLibrary 272

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