TY  - RPRT
TI  - Road reconnaissance of anomalous radioactivity in the early Proterozoic Roraima Group near Santa Elena de Uairen, Estado Bolivar, Venezuela
AU  - William E. Brooks
AU  - Fernando Nunez
PY  - 1991
DO  - 10.3133/ofr91632
UR  - https://pubs.usgs.gov/publication/ofr91632
ID  - ofr91632
ER  -