TY  - RPRT
TI  - A report on site visits to some of the largest tin deposits in Brazil, March 11-25, 1988
AU  - Charles H. Thorman
AU  - Lawrence J. Drew
PY  - 1988
DO  - 10.3133/ofr88594
UR  - https://pubs.usgs.gov/publication/ofr88594
ID  - ofr88594
ER  -