TY  - RPRT
TI  - U.S. Geological Survey-Ingeominas mineral resource assessment of Colombia; additional ore deposit models
AU  - Dennis P. Cox
PY  - 1983
DO  - 10.3133/ofr83901
UR  - https://pubs.usgs.gov/publication/ofr83901
ID  - ofr83901
ER  -