Map of road making materials in Northern Borneo.
Great Britain.Directorate of Overseas Surveys.
[Tolworth, Surrey],
1964.
Shows unmetamorphosed sediments, partially metamorphosed sediments, and igneous rocks and limestones.
"Base map prepared from 1:500,000 Geological Map of Sarawak, Brunei and North Borneo published by Geological Survey Department, British Territories in Borneo, and Brunei Shell Petroleum Company Limited."
To accompany: Road making materials in Northern Borneo (Road research technical paper ; no. 68)
Mines and mineral resources