File:USGS logo green.svg

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DescriptionUSGS logo green.svg English: Official logo of the United States Geological Survey in SVG format Date 21 October 2008 (upload date) Source Traced

Датотека:USGS logo.png

Survey Logo (The USGS logo, also referred to as the USGS Identifier, is trademarked by the U.S. Geological Survey.) Original Source: http://mac.usgs

Датотека:NASA Science 2018 Commemorative Calendar.pdf

NASA Science 2018 Commemorative Calendar logo.svg

Датотека:Schematic cross-section of general types of oil and gas resources and the orientations of production wells used in hydraulic fracturing.jpg

a tight sand formation (left). Note: Figure not to scale. Modified from USGS (2002) and Newell (2011). Date June 2015 Source U.S. EPA. Assessment of the

Датотека:ESP 046684 1280molawide.jpg

September 2016 Source http://planetarynames.wr.usgs.gov/images/mola_regional.pdf Author Jim Secosky modified nasa image/usgs Credit: NASA/usgs/secosky