Geological Survey
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Exciting days in Earth ScienceThe US Geological Survey is out in force today monitoring conditions o
Exciting days in Earth ScienceThe US Geological Survey is out in force today monitoring conditions o
sitting-on-me-bum:A hoary bat.Photo © Paul Cryan, U.S. Geological Survey / Wikimedia Commons
sitting-on-me-bum:A hoary bat.Photo © Paul Cryan, U.S. Geological Survey / Wikimedia Commons
mapsontheweb: Geologic Map of Colorado - USGS / Geological Survey of Colorado - 1979.by @geo_spatial
mapsontheweb: Geologic Map of Colorado - USGS / Geological Survey of Colorado - 1979.by @geo_spatial
The geological timescale: Yanks VS BritsThe geological timescale is broken down into geochronologic
The geological timescale: Yanks VS BritsThe geological timescale is broken down into geochronologic
What’s under your feet?Have you ever dug into the ground and noticed that, even in the midst o
What’s under your feet?Have you ever dug into the ground and noticed that, even in the midst o
~  photographer : Susan Karl, U.S. Geological Survey ~  Suemez Island, Alaska  
~  photographer : Susan Karl, U.S. Geological Survey ~  Suemez Island, Alaska  
U.S. Geological Survey geologist, Eugene M. Shoemaker, and assistant pose with cross-section drawing
U.S. Geological Survey geologist, Eugene M. Shoemaker, and assistant pose with cross-section drawing
mapsontheweb: The lithology and general topography of Canada. Map made by the Geological Survey of C
mapsontheweb: The lithology and general topography of Canada. Map made by the Geological Survey of C
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