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Eniwa-a Tephra
Abbr.: En-a
Synonym: Eniwa-a Pumice Bed, Eniwa-a Tuff
------ Conformity, ~~~~~~ Unconformity, ~~~--- Local unconformity, '''/,, Interfingered, :::::: Fault, /--/-- Thrust, +__+__ Ground surface, ?--?-- Unknown