TY  - RPRT
TI  - Manganese and iron deposits of Morro do Urucum, Mato Grosso, Brazil
AU  - John Van N. Dorr
PY  - 1945
DO  - 10.3133/b946a
UR  - https://pubs.usgs.gov/publication/b946A
ID  - b946A
ER  -