TY  - RPRT
TI  - Geological assessment of Liberia's diamond producing regions, diamond production potential and review of Liberia's production history
AU  - Charles H. Thorman
AU  - Karin O. Hoal
PY  - 2006
UR  - https://pubs.usgs.gov/publication/70139365
ID  - 70139365
ER  -