Survey of metallic and non - metallic minerals
1969
662.73
U564
This technical report deals both with the geological investigations and assessment of coal deposits in the operation area n.1 - Azuay and Loja. Work described in this report was initiated in May 1965 and terminated in March 1986.
Organización Latinoamericana de Energía (OLADE) - Centro de Documentación
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