North-central Iowa Bedrock
Understanding the subsurface has important implications when dealing with groundwater.
Geologic Bedrock Map of Iowa
The Iowa Geological Survey's 2010 Bedrock Geological Map of Iowa, organized by system.
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The surficial Geology of the Orchard 7.5' quadrangle, Floyd and Mitchell Counties, Iowa.
Understanding the subsurface has important implications when dealing with groundwater.
The Iowa Geological Survey's 2010 Bedrock Geological Map of Iowa, organized by system.
