TY  - RPRT
TI  - A geochemical reconnaissance of the Island of Vieques, Puerto Rico
AU  - Robert E. Learned
AU  - Ginny R. Grove
AU  - Rafael Boissen
PY  - 1973
DO  - 10.3133/ofr73155
UR  - https://pubs.usgs.gov/publication/ofr73155
ID  - ofr73155
ER  -