TY  - RPRT
TI  - Reconnaissance geologic study of the Vazante zinc district, Minas Gerais, Brazil
AU  - Charles H. Thorman
AU  - Samir Nahass
PY  - 1977
DO  - 10.3133/ofr77630
UR  - https://pubs.usgs.gov/publication/ofr77630
ID  - ofr77630
ER  -