Geological map of the Velasco Alkaline Province
Great Britain.Directorate of Overseas Surveys.
London : Government of the United Kingdom (Directorate of Overseas Surveys) for the Government of Bolivia,
1981.
Produced under a technical cooperation agreement between governments of UK and Bolivia. D.O.S. 1225
Velasco Alkaline Province, Bolivia.
Exhibited by Edinburgh Geological Society
Edinburgh Geological Society,