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Cover image for Lexicon of geologic names of the United States

Lexicon of geologic names of the United States

by Wilmarth, M. Grace
1938
Format: Book

Location	Call #	Status
Joyner - General Stacks	QE75 .B9 NO. 896 PT. 1	✔ Available
Joyner - General Stacks	QE75 .B9 NO. 896 PT. 2	✔ Available

Cover image for Names and definitions of the geologic units of California

Names and definitions of the geologic units of California

by Wilmarth, M. Grace
1931
Format: Electronic

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Cover image for The geologic time classification of the United States Geological Survey compared with other classifications, accompanied by the original definitions of era, period and epoch terms

The geologic time classification of the United States Geological Survey compared with other classifications, accompanied by the original definitions of era, period and epoch terms

by Wilmarth, M. Grace
1925
Format: Electronic

Location
Access Content Online