USGS Thesaurus

proterozoic

proterozoic

Broader Terms

More specific terms

Date of creation
20-Nov-2007
Accepted term
20-Nov-2007
Descendant terms
2
ARK
ark:/99152/t3yqk1k2rm1m9g
More specific terms
1
Alternative terms
0
Related terms
0
Notes
0
Metadata
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