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1839

Survey Map of East-High-Asia ... Berlin, …

Regional Atlas

Uebersichts-Karte von Oest-Hoch-Asien .. …

1839

Map of Russian Altai ... Berlin, 1839.

Regional Atlas

Karte vom Russischen Altai ... Berlin, 1 …

1839

Geologic Cross-Section: Profiles of Asia …

Regional Atlas

(Geologic Cross-Section) (Profiles of As …