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Title: Atlas géologique de la Suisse 1:25.000. Feuille 485 Saxon-Morcles.
Description: Zurich 1937. Chromolithogr. map, 56 x 72 cm, legenda and section in broad left- and right hand margins, dissected to 7 x 3 parts mounted on linen and folding back to 22x15cm. Fine. - With presentation inscription by the authors M. Lugeon and E. Argand to the Dutch professor of geology at Leiden Berend George Escher (1885-1967), elder brother of the renowned graphic artist Maurits Cornelis Escher (1898-1972).

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