Marker Logo HMdb.org THE HISTORICAL
MARKER DATABASE
“Bite-Size Bits of Local, National, and Global History”
“Bite-Size Bits of Local, National, and Global History”
 
 
 
 
 
 
4 entries match your criteria.
 
 

Historical Markers in Iowa City, Iowa

 
Clickable Map of Johnson County, Iowa and Immediately Adjacent Jurisdictions image/svg+xml 2019-10-06 U.S. Census Bureau, Abe.suleiman; Lokal_Profil; HMdb.org; J.J.Prats/dc:title> https://commons.wikimedia.org/wiki/File:Usa_counties_large.svg Johnson County, IA (10) Benton County, IA (1) Cedar County, IA (39) Iowa County, IA (17) Linn County, IA (14) Louisa County, IA (2) Muscatine County, IA (2) Washington County, IA (3)  JohnsonCounty(10) Johnson County (10)  BentonCounty(1) Benton County (1)  CedarCounty(39) Cedar County (39)  IowaCounty(17) Iowa County (17)  LinnCounty(14) Linn County (14)  LouisaCounty(2) Louisa County (2)  MuscatineCounty(2) Muscatine County (2)  WashingtonCounty(3) Washington County (3)
Iowa City is in Johnson County
      Johnson County (10)  
      Benton County (1)  
      Cedar County (39)  
      Iowa County (17)  
      Linn County (14)  
      Louisa County (2)  
      Muscatine County (2)  
      Washington County (3)  
 
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1Iowa (Johnson County), Iowa City — An Ancient Sea
On Prairie Du Chien Road Northeast.
Although the huge 1993 increase in water flow changed the landscape at the Dam site and caused flooding downstream, catastrophic flooding was avoided. The Iowa River returned to normal flow over the next few months, and the Dam itself remained . . . Map (db m174799) HM
2Iowa (Johnson County), Iowa City — Devonian Fossils
Near Prairie Du Chien Road Northeast.
Fossils can be seen in most of the limestone layers exposed in the Gorge, and these provide clear evidence of ancient life that once inhabited a shallow sea. Fossils comprise more than half of some layers, especially the coral-rich “Rapid . . . Map (db m174796) HM
3Iowa (Johnson County), Iowa City — The Coralville Dam
Near Prairie Du Chien Road Northeast.
Construction of the Coralville Dam complex by the U.S. Army Corps of Engineers was completed in 1958, and designed primarily for flood control. Lake levels are regulated routinely by adjusting the outflow into the Iowa River through gates . . . Map (db m174798) HM
4Iowa (Johnson County), Iowa City — View from the Overlook Plaza
On Riverwalk Trail south of Prairie de Chien Road Northeast, on the right when traveling south.
The plaza area is located above the bend in the Devonian Fossil Gorge and affords views of both the limestone surfaces upstream and the developing wetland downstream. In the upstream direction, the 2008 flooding only slightly deepened of the gorge . . . Map (db m168210) HM
 
 
  
 
 
Dec. 6, 2021