Official websites use .gov
A .gov website belongs to an official government organization in the United States.
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A lock () or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.
Web sites hosted by the Oklahoma-Texas Water Science Center are down due to the weather conditions in Texas.
We will restore service as soon as possible.
The following domain is affected:
webapps.usgs.gov