![](https://historicalmaps.yale-nus.edu.sg/rails/active_storage/representations/eyJfcmFpbHMiOnsibWVzc2FnZSI6IkJBaHBBZHM9IiwiZXhwIjpudWxsLCJwdXIiOiJibG9iX2lkIn19--1e1a9f02a7066e8819b24397088c4ff37942e8e9/eyJfcmFpbHMiOnsibWVzc2FnZSI6IkJBaDdCam9MY21WemFYcGxTU0lNTkRBd2VETXdNQVk2QmtWVSIsImV4cCI6bnVsbCwicHVyIjoidmFyaWF0aW9uIn19--bc467f5637e8b6d3bfb826116f92b6bfedfbf03a/leiden-2010819.jpeg)
Bijdrage tot eene geologische kaart der residentie Westerafdeeling van Borneo
1858
Indonesia
A geological map of western Borneo made by a mine engineer, showing the types of soil, coal, clay, and rock (limestone, sandstone, granite, basalt), as well as gold, diamonds, tin, copper and iron found along the rivers.