Floods have often affected both global and national history. According to [[Flood geology|Flood geologists]], the [[Great Flood]] of Noah's time is responsible for much of the [[geology]] of the [[Earth]]'s surface. The [[Johnstown flood]] of 1889 (also referred to locally as the "Great Flood" in reference to the biblical flood) did much to highlight dam safety (or lack thereof) in the [[United States]].<ref>{{cite web|url=http://www.americaslibrary.gov/jb/gilded/jb_gilded_johnstown_1.html|title=Johnstown Flood Disaster - May 31, 1889|year=2014|publisher=The Library of Congress|language=English|accessdate=16 December 2014|quote=On May 31, 1889, America suffered one of the greatest disasters in its history. A flood known as the Johnstown Flood or the Great Flood of 1889 destroyed the city of Johnstown, Pennsylvania.}}</ref> Flooding along the [[Mississippi River]] in 1993 caused millions of dollars in infrastructure damage and agricultural loss.<ref>{{cite web|url=http://www.spokanewaterrescue.org/great-flood-1993/|title=The Great Flood Of 1993|year=2001|publisher=SWR|language=English|accessdate=16 December 2014|quote=Hundreds of levees along the Mississippi and Missouri rivers failed back in 1993 causing the deaths of 50 people and damages between $15 and $20 billion dollars.}}</ref> | Floods have often affected both global and national history. According to [[Flood geology|Flood geologists]], the [[Great Flood]] of Noah's time is responsible for much of the [[geology]] of the [[Earth]]'s surface. The [[Johnstown flood]] of 1889 (also referred to locally as the "Great Flood" in reference to the biblical flood) did much to highlight dam safety (or lack thereof) in the [[United States]].<ref>{{cite web|url=http://www.americaslibrary.gov/jb/gilded/jb_gilded_johnstown_1.html|title=Johnstown Flood Disaster - May 31, 1889|year=2014|publisher=The Library of Congress|language=English|accessdate=16 December 2014|quote=On May 31, 1889, America suffered one of the greatest disasters in its history. A flood known as the Johnstown Flood or the Great Flood of 1889 destroyed the city of Johnstown, Pennsylvania.}}</ref> Flooding along the [[Mississippi River]] in 1993 caused millions of dollars in infrastructure damage and agricultural loss.<ref>{{cite web|url=http://www.spokanewaterrescue.org/great-flood-1993/|title=The Great Flood Of 1993|year=2001|publisher=SWR|language=English|accessdate=16 December 2014|quote=Hundreds of levees along the Mississippi and Missouri rivers failed back in 1993 causing the deaths of 50 people and damages between $15 and $20 billion dollars.}}</ref> |