Survey of metallic and non - metallic minerals
- Quito: UNDP, 1969
- 59 p. ilustraciones.
05026
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.
Carbón
Minas
Ecuador
662.73 / U564
05026
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.
Carbón
Minas
Ecuador
662.73 / U564