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Interbedded volcanic sandstone of the Ohanapecosh Formation of Backbone Ridge. Mount Rainier National Park, Washington. ca. 1959.

Dates

Date Taken
1959

Summary

Interbedded volcanic sandstone and siltstone (dark) of the Ohanapecosh Formation, viewed from the east side of Backbone Ridge. Note the prominent ripple marks in the upper half of the photograph, the load casts of sandstone bulging downward into siltstone (upper center and at the base of the stratum partly obscured by a dark stain), and abundant flattened pumice lapilli in the sandstone bed extending across the center. Mount Rainier National Park, Washington. ca. 1959. Figure 16, U.S. Geological Survey Professional paper 444.

Contacts

Photographer :
Fiske, Richard S.
(other) :
U.S. Geological Survey

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Identifiers

Type Scheme Key
name photoLibrary frs00012
number photoLibrary 10114
batch photoLibrary batch67
number_in_book photoLibrary 12

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