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Federal
Map of Arsenic concentrations in groundwater of the United States
Department of the Interior —
The map graphic image at https://water.usgs.gov/GIS/browse/arsenic_map.png illustrates arsenic values, in micrograms per liter, for groundwater samples from about... -
Federal
NNDSS - Table II. Cryptosporidiosis to Dengue Hemorrhagic Fever
U.S. Department of Health & Human Services —
NNDSS - Table II. Cryptosporidiosis to Dengue Hemorrhagic Fever - 2014.In this Table, all conditions with a 5-year average annual national total of more than or...