USGSحساب موثّق

The beautiful view of the waterfall in Sioux Falls, SD—city also home to EROS data center: http://bit.ly/1UeQsdF  pic.twitter.com/5ORcEo9pZ0

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#WBW What an explosion! Craters created to simulate lunar impact craters. Cinder Lakes Crater Field, AZ. 1968 pic.twitter.com/CsrHBaAaQz

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Going…and almost gone! Two of the approx. 26 remaining glaciers at #GlacierNP, MT http://on.doi.gov/1JvUA3c  #education pic.twitter.com/2IorzHbMed

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Katrina & Rita combined destroyed 217 sq mi of Louisiana’s coast: http://1.usa.gov/1Jvrcdj  #Katrina10 pic.twitter.com/quCB8ovDGF

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USGS mapped coastal landloss that made Katrina’s stormsurge worse: http://1.usa.gov/1Jvrcdj  #Katrina10 pic.twitter.com/C1lQqstbAE

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USGS showed “toxic soup” neither toxic nor soup: http://1.usa.gov/1Jvrcdj  #Katrina10 pic.twitter.com/yLjFQh8Zut

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We rushed output of 33 USGS invented stormsurge sensors in 26 days before Rita hit: http://1.usa.gov/1Jvrcdj  #Katrina10 pic.twitter.com/jKOKb38ptV

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USGS created 3 new types of storm gauges in response to Katrina: http://1.usa.gov/1Jvrcdj  #Katrina10 pic.twitter.com/TXk3wjsKGj

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USGS crews rescued more than 600 people from rooftops & porches: http://1.usa.gov/1Jvrcdj  #Katrina10 pic.twitter.com/718fmxpgis

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USGS helped map 911 calls when roadsigns were underwater: http://1.usa.gov/1Jvrcdj  #Katrina10 pic.twitter.com/PjfldvuM2F

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10 years ago today, Katrina made 1st landfall in Florida: http://1.usa.gov/1Jvrcdj  #Katrina10 pic.twitter.com/59wKuAJwJQ

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#ColoradoPlateau, a mecca for rock lovers! http://bit.ly/1NTXuTa  pic.twitter.com/pyMzFyTDPV

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Somewhere over the rainbow…in this case, over Yukon River, Eagle, AK http://on.doi.gov/1NTVZEy  #education pic.twitter.com/6X7gNAMhV2

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Water is unusual in that the solid, ice, is less dense than the liquid, which is why ice floats. #triviatuesday pic.twitter.com/Jwkob6w3xM

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FAQ What is the most frequently occurring city, town, village name in the United States? http://on.doi.gov/1LvrLYn  pic.twitter.com/KGXzVlgfwT

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3D & Photographic Tours of the National Parks http://on.doi.gov/1EfPnR9  #education pic.twitter.com/pjdTl00cow

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[PUB] Review of the USA National Phenology Network Circular 1411 http://bit.ly/1KhDhrv  pic.twitter.com/0pIEOtllr5

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Managing the #nationalparks requires sound science-here are examples: http://on.doi.gov/1LuOL9S  #nps99 #npscentennial pic.twitter.com/5APdIt0xMk

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#Nationalparks aren't immune to natural hazards-see how we help: http://on.doi.gov/1LuOL9S  #nps99 #npscentennial pic.twitter.com/vfekwCl93d

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#Nationalparks are fee-free today! See the science we do all year long: http://on.doi.gov/1LuOL9S  #nps99 #npscentennial pic.twitter.com/rn3prPcSxd

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