USGS Western Region Office

345 Middlefield Rd
Menlo Park CA 94025

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<p>This sprawling campus of the U.S. Geological Society&nbsp;houses scientists with many environment-related specialities who are researching a variety of topics to provide credible information about the natural world. &nbsp; Self-guided tours of the campus are available in Building 3, free of charge. &nbsp;Topographical maps and other cartographic treasures are available for purchase, too.&nbsp;</p>