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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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BottomSurfaceFeature (also /SiteStratigraphy/SiteSections/SectionLog/BottomSurface/BottomSurfaceFeature): Text describing features at the base of a layer or stratum.

Constraints in the context of ABCD EFG: