TY  - RPRT
TI  - Mercury in the conterminous United States: computerized data file and computer-plotted map of occurrences
AU  - Jocelyn A. Peterson
AU  - Joel R. Bergquist
AU  - Judith S. Gassaway
PY  - 1977
DO  - 10.3133/ofr77859
UR  - https://pubs.usgs.gov/publication/ofr77859
ID  - ofr77859
ER  -