TY  - RPRT
TI  - Analytical results for stream sediment and soil samples from the Commonwealth of Puerto Rico, Isla de Culebra, and Isla de Vieques
AU  - Sherman P. Marsh
PY  - 1992
DO  - 10.3133/ofr92353b
UR  - https://pubs.usgs.gov/publication/ofr92353B
ID  - ofr92353B
ER  -