TY  - GEN
AU  - West,Robert Cooper
TI  - Colonial placer mining in Colombia
U1  - 622.34 
PY  - 1952///
CY  - Baton Rouge, Louisiana
PB  - Louisiana State University Press
KW  - MINAS Y RECURSOS MINERALES
KW  - COLOMBIA
N1  - Incluye referencias bibliográficas (p. 142-151); Gold mines and mining. - Colombia-Hist. 2. Silver mines and mining-Colombia-Hist. 3. Hydraulic mining
ER  -