usgs.gov is worth 1.84 Million US $ | | Title | Welcome to the USGS - U.S. Geological Survey | | Author | Office of Communications | | Description | Federal source for science about the Earth, its natural and living resources, natural hazards, and the environment. |  | | | Daily Unique Visitors | 103,063 | | Daily Ad Revenue | 2,516 US $ | | Goo
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| 8 | | Alexa Rank | 1,260 | | Yahoo Backlinks | 22,341 | | Yahoo Indexing | 3,116,131 | | Data last updated 728 days ago. |
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