Charles Heaphy, ‘Coromandel gold district: Distinguishing the apparent geological formations’, 1857. Manuscript map, pencil, ink and watercolour on paper, 700 × 760 mm, with later annotations by Hochstetter. Universitätsbibliothek der Humboldt-Universität zu Berlin, Historische Geographische Sammlung: AG 72-1.

 
 
  Part of: Nolden S, Grenfell HR (2024) Ferdinand Hochstetter’s trip to Coromandel and Waiheke Island, 7–13 June 1859. Papahou: Records of the Auckland Museum 58: 3-25. https://doi.org/10.32912/papahou.58.143694