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Scheme: ABCD EFG Pencil.png
Collection: EFG SiteStratigraphy Pencil.png
The import namespace "abcd-efg" is unknown. Please ensure that OWL import details are available via MediaWiki:Smw import abcd-efg
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SiteStratigraphicAttributions-TimeUnit (also /SiteStratigraphy/SiteStratigraphicAttributions/RadiometricDates/RadiometricDate/TimeUnit): The time units being measured or how the numbers are expressed e.g. millions of years B.P. or thousands of years B.C.

Constraints in the context of ABCD EFG: