TY  - RPRT
TI  - Geologic map of Quadrilatero Ferrifero, Minas Gerais, Brazil
AU  - John Van N. Dorr
PY  - 1966
DO  - 10.3133/ofr6627
UR  - https://pubs.usgs.gov/publication/ofr6627
ID  - ofr6627
ER  -