New USGS Map Unfolds Ecosystems Nationwide
By Richard Chasey, posted on July 27th, 2009 in Earth Observation, Ecosystems
Originally Published by USGS
A new map of standardized, terrestrial ecosystems of the conterminous United States will help researchers and land resource managers better understand the types and locations of ecosystems on the landscape.
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Full Moon Over Washington
A United States Marine Corps helicopter is seen flying through this scene of the full moon and the U.S. Capitol on Tuesday, Feb. 7, 2012, from Arlington National Cemetery. Image Credit: NASA/Bill Ingalls