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![Welcome to the USGS - U.S. Geological Survey](https://www.iarticlesnet.com/pub/img/site/s_28.jpeg)
Welcome to the USGS - U.S. Geological Survey
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日期:2024-08-28
USGS mission is to provide reliable, impartial information to describe and understand the Earth: to minimize loss of life and property from natural disasters; manage water, biological, energy, and mineral resources ......看更多