TY  - RPRT
TI  - Manganese deposits of the Serra do Navio district, Territory of Amapa, Brazil
AU  - John Van N. Dorr
AU  - Charles Frederick Park
AU  - Glycon de Paiva Teixeira
PY  - 1949
DO  - 10.3133/b964a
UR  - https://pubs.usgs.gov/publication/b964A
ID  - b964A
ER  -