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  2. United States Geological Survey - Wikipedia

    en.wikipedia.org/wiki/United_States_Geological...

    The USGS Coastal and Marine Science Center (formerly the USGS Center for Coastal Geology) has three sites, one for the Atlantic Ocean (located in Woods Hole, Massachusetts), one for the Pacific Ocean (located in Santa Cruz, California) and one for the Gulf of Mexico (located on the University of South Florida's St. Petersburg campus). The goal ...

  3. U.S. Geological Survey National Center - Wikipedia

    en.wikipedia.org/wiki/U.S._Geological_Survey...

    The U.S. Geological Survey National Center, officially the John Wesley Powell Federal Building, is a historic building and the headquarters of the United States Geological Survey (USGS)—an agency of the U.S. Department of the Interior (DOI)—located in Reston, Virginia.

  4. Under-Secretary-General of the United Nations - Wikipedia

    en.wikipedia.org/wiki/Under-Secretary-General_of...

    The majority of USGs are appointed by the General Assembly on the recommendation of the secretary-general for a fixed term of four years. Others (normally special envoys, Secretariat-appointees and non-programme management positions) are appointed directly by the UN secretary-general on his own authority.

  5. National Geodetic Vertical Datum of 1929 - Wikipedia

    en.wikipedia.org/wiki/National_Geodetic_Vertical...

    Mean sea level was measured at 26 tide gauges: 21 in the United States and five in Canada.The datum was defined by the observed heights of mean sea level at the 26 tide gauges and by the set of elevations of all bench marks resulting from the adjustment of observations.

  6. Unified Soil Classification System - Wikipedia

    en.wikipedia.org/wiki/Unified_Soil...

    The Unified Soil Classification System (USCS) is a soil classification system used in engineering and geology to describe the texture and grain size of a soil.The classification system can be applied to most unconsolidated materials, and is represented by a two-letter symbol.

  7. Category:United States Geological Survey - Wikipedia

    en.wikipedia.org/wiki/Category:United_States...

    Main page; Contents; Current events; Random article; About Wikipedia; Contact us; Help; Learn to edit; Community portal; Recent changes; Upload file

  8. USGS - Wikipedia

    en.wikipedia.org/?title=USGS&redirect=no

    Pages for logged out editors learn more. Contributions; Talk; USGS

  9. United States Geological Survey Library - Wikipedia

    en.wikipedia.org/wiki/United_States_Geological...

    The United States Geological Survey Library (USGS Library) is a program within the United States Geological Survey (USGS), a scientific bureau within the Department of Interior of the United States government. The USGS operates as a fact-finding research organization with limited regulatory responsibility.