TY  - GEN
AU  - West, Robert Cooper
TI  - The mining community in Norther New Spain: the Parral mining district 
T2  - Ibero-Americana
AV  - F 1261 W47.1949
PY  - 1949///
CY  - Berkeley, Calif.
PB  - University of California
KW  - Industrias minerales -
KW  - Chihuahua -
KW  - Parral -
KW  - Historia
KW  - Parral (Chihuahua) -
KW  - Condiciones económicas
ER  -