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Iowa geologic map data

A GIS database of geologic units and structural features in Iowa, with lithology, age, data structure, and format written and arranged just like the other states.
Geology of Iowa
[Legend for lithology colors]
View:
Show in a web browser window:
http://mrdata.usgs.gov/sgmc/ia.html
Show in Google Earth or download KML:
Show in your GIS using OGC WMS:
http://mrdata.usgs.gov/services/ia?service=WMS&version=1.1.1&request=GetCapabilities& [Instructions]
Download:
Geological attributes: IAcsv.zip CSV format
Geologic units: IAgeol_dd.zip Shapefile, polygon
Colors for lithology: lith6_2.style ArcMap Style [Instructions]
Metadata:
[Outline] - [Questions & Answers] - [Plain text]
Legend indicating the meaning of colors on the interactive map
Publication:
USGS Open-File Report 2005-1351
Preliminary integrated geologic map databases for the United States: Central states: Montana, Wyoming, Colorado, New Mexico, North Dakota, South Dakota, Nebraska, Kansas, Oklahoma, Texas, Iowa, Missouri, Arkansas, and Louisiana
http://pubs.usgs.gov/of/2005/1351/
Methodology:
Detailed report of data standardization procedures
http://pubs.usgs.gov/of/2005/1351/documents/CONUSDocumentation.pdf
GIS style files:
Methods used to create several styles for lithology or geologic time
http://pubs.usgs.gov/of/2005/1314/
Sources:

Hershey H. G. 1969, Geologic Map of Iowa: Iowa Geological Survey, scale 1:500K

Geologic units in Iowa

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URL: http://mrdata.usgs.gov/geology/state/state.php?state=IA
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Page Last modified: 16:48 on 25-Apr-2014