TY  - RPRT
TI  - Geology and mineral deposits of an area in the Departments of Antioquia and Caldas (Subzone IIB), Colombia
AU  - Tomas Feininger
AU  - Dario Barrero L.
AU  - Nestor Castro
AU  - R.B. Hall
PY  - 1973
DO  - 10.3133/ofr7369
UR  - https://pubs.usgs.gov/publication/ofr7369
ID  - ofr7369
ER  -