Official websites use .gov
A .gov website belongs to an official government organization in the United States.
Secure .gov websites use HTTPS
A lock ( ) or https://
means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.
This dataset contains metals concentrations of surface water samples processed using two different filter sizes (0.03 micron and 10 micron) from the Florida River and two of its tributaries, Pine...
data.gov
An official website of the GSA's Technology Transformation Services