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!!!Silurische Formation

[{Image src='Silurische-Formation.jpg' caption='Silurische Formation' alt='Illustration Silurische Formation' width='615' height='900'}]

Illustration aus [Pierers Konversations-Lexikon (Band 11)|web-books/konversationsle11de1892kfu/00000561].

[{SET customtitle='Silurische Formation'}]