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IGS - Popular Subjects

Popular Browsing Subjects

This area contains short, public-oriented articles about the state's geology, with colorful photos and maps throughout.

Popular Items

Earthquakes
Floods of 1993, 2008, and 2010
Geology and Archaeology
Geology of Iowa State Parks
Glaciers in Iowa's Past
Iowa Meteorites
Land Use in Iowa
Loess Hills Region
Manson Impact Structure
Mapping Iowa's Geology
Midcontinent Rift System
Mineral Resources
Miscellaneous Items
Our Common Ground (fact sheets)
Powerpoints on Iowa Geology
Water Resources
Wetlands

White ball icon POPULAR ITEMS

          Red ball iconRecent News and Publications

          Red ball iconAge of Dinosaurs in Iowa

Red ball icon Geologic Sources of Historic Stone Architecture in Iowa

Red ball icon Landscape Features of Iowa

Red ball icon Geologic Features of Interest in Iowa (interactive map)

Red ball icon Water Forms

Red ball icon Fossils of Iowa

Red ball icon Minerals of Iowa

Red ball icon Geology of Iowa: Iowa's Earth History Shaped by Ice, Wind, Rivers, and Ancient Seas

Red ball icon Satellite Image of Iowa

Red ball icon Satellite Images of Iowa Landscapes

Red ball icon Geodes: A Look at Iowa's State Rock

Red ball icon Field Travels of Early Iowa Geologists

Red ball icon McGregor's 19th Century Refrigerators

White ball icon EARTHQUAKES

Red ball icon Iowa Earthquakes

Red ball icon Iowa Perspective on Midwestern Earthquakes

White ball icon FLOODS OF 1993, 1998, AND 2010

Red ball icon Devonian Fossil Gorge: In the Coralville Dam Emergency Spillway - 2010

Red ball icon Devonian Fossil Gorge: A Visitor's Guide to Geologic Features at the Coralville Lake Emergency Spillway

Red ball icon Flood of 1993

Red ball icon Living with a River

White ball icon GEOLOGY AND ARCHAEOLOGY

Red ball icon The Role of Geology in Shaping the Archaeological Record

Red ball icon Uses of Geologic Materials by Prehistoric Cultures

White ball icon GEOLOGY OF IOWA STATE PARKS

Red ball icon Geology of Backbone State Park

Red ball icon Geology of Pikes Peak State Park

from Sandstone to Sand Paintings

Red ball icon Geology of Wildcat Den State Park

Red ball icon Guidebook to the Geology of the Saylorville Spillway after the 1984 flood

Red ball icon Guidebook to the Geology of the Saylorville Spillway after the 1993 flood

Red ball icon Guidebook to the Geology of the Coralville Spillway, after the 1993 flood

Red ball icon Guidebook to the Geology of the Saylorville Spillway after the 2008 flood

Red ball icon Guidebook to the Natural and Cultural History of the Mines of Spain State Park

Red ball icon Guidebook to the Natural History of Backbone State Park

Red ball icon Guidebook to the Natural History of Bellevue State Park

Red ball icon Guidebook to the Natural History of Dolliver State Park

Red ball icon Guidebook to the Natural History of Lacey-Keosauqua State Park

Red ball icon Guidebook to the Natural History of Lake Macbride State Park

Red ball icon Guidebook to the Natural History of Ledges State Park

Red ball icon Guidebook to the Natural History of Maquoketa State Park

Red ball icon Guidebook to the Natural History of Palisades-Kepler State Park

Red ball icon Guidebook to the Natural History of Pikes Peak State Park

Red ball icon Guidebook to the Natural History of Volga River State Recreation Area and Echo Valley State Park

Red ball icon Guidebook to the Natural History of Wapsipinicon State Park

Red ball icon Gull Point State Park: A Glacial Legacy

Red ball icon Lacey-Keosauqua State Park: Iowa's "Big Bend" Country

Red ball icon Pilot Knob State Park

Red ball icon Springbrook State Park: Watersheds Past and Present

White ball icon GLACIERS IN IOWA'S PAST

Red ball icon Glacial-Age Floods

Red ball icon Glacial Boulders in Iowa

Red ball icon Glacial Landmarks Trail: Iowa's Heritage of Ice

Red ball icon Linked Depressions on the Des Moines Lobe

Red ball icon Map of Glacial Geology in Iowa (currently unavailable)

Red ball icon Quaternary Geologic Map of Iowa (currently unavailable)

White ball icon IOWA METEORITES

Red ball icon Iowa Meteorites

Red ball icon Meteorites in Iowa's History

Red ball icon Photos of Iowa Meteorites

White ball icon LAND USE IN IOWA

Red ball icon Common Ground

Red ball icon Connecting with the Land

Red ball icon Historic Alteration of Surface Hydrology on the Des Moines Lobe

Red ball icon Iowa's Statewide Land Cover Inventory

Red ball icon Living with the Land

Red ball icon Landcover Map of Iowa (currently unavailable)

White ball icon LOESS HILLS REGION

Red ball icon Gully Erosion

Red ball icon Loess Hills: A Geologic View

Red ball icon Loess Hills: A National Natural Landmark

White ball icon MANSON IMPACT STRUCTURE

Red ball icon Introduction to Iowa’s Manson Impact Structure

Red ball icon Detailed Discussion of the Manson Impact Structure

White ball icon MAPPING IOWA'S GEOLOGY

Red ball icon Bedrock Geology of Iowa 2010

Red ball icon Bedrock Geology of Iowa 1998

Red ball icon Elevation and Shaded Relief of the Bedrock Surface of Iowa

Red ball icon Landform Regions of Iowa

Red ball icon Landform Regions and Surface Topography of Iowa

Red ball icon Mapping for the Next Century

Red ball icon Natural Resource Mapping of Linn County

Red ball icon Rivers and Lakes of Iowa

Red ball icon Satellite Image of Iowa

Red ball icon Shaded Relief of Iowa

Red ball icon Shaded Relief of Iowa with Discussion

Red ball icon Surface Elevation and Shaded Relief Map of Iowa

Red ball icon Surface Elevation of Iowa and Surrounding Area

White ball icon MIDCONTINENT RIFT SYSTEM

Red ball icon Introduction to the Midcontinent Rift System

Red ball icon Detailed Discussion of the Midcontinent Rift System of Iowa

Red ball icon Exploring the Midcontinent Rift (Publication)

Red ball icon Explore the Midcontinent Rift in Iowa and Minnesota (Poster)

White ball icon MINERAL RESOURCES

Red ball icon Fort Dodge Gypsum: A Salt from Iowa's Jurassic Sea

Red ball icon Gold

Red ball icon Guidebook to Geologic points of interest in the Fort Dodge area

Red ball icon Guidebook to the Geology of the Jurassic Fort Dodge Formation

Red ball icon Guidebook to the Geology of the Fort Dodge Formation (Upper Jurassic) Webster County, Iowa

Red ball icon Guidebook to the Production of Cement at Mason City

Red ball icon Gypsum Resources of Iowa

Red ball icon Iowa's Cement Industry

Red ball icon Iowa Coal: Fuel for a New State's Growth

Ground Collapse Over Abandoned Mines

Underground Coal Mines: Historic Records Compiled

Analyses of Iowa Coal - 1929 (pdf)

Strippable Coal Reserve Study in Selected Iowa Counties (pdf)

Strippable Coal Reserve Study in Seven Iowa Counties (pdf)

Studies of Iowa Coals - Tech Paper 2 (pdf)

Coal Geology of Iowa- 2002 Keystone Coal Industry Manual (pdf)

Red ball icon Lead and Zinc Mining in the Dubuque Area

Red ball icon Lithograph City

Red ball icon Mineral Production in Iowa

Mineral Resource Facts

Red ball icon Oil Exploration in Iowa

Red ball icon Peat Production and Protection in Iowa

Peat Facts

Red ball icon Sand and Gravel Resources of Iowa

Red ball icon Underground Limestone Mining

Red ball icon Underground Storage of Gas

White ball icon MISCELLANEOUS ITEMS

Red ball icon Ancient Amphibians Discovered in Iowa

Red ball icon Ancient River Channels

Red ball icon Iowa's Sesquicentennial

Red ball icon Paleokarst in Iowa

White ball icon POWERPOINTS ON IOWA GEOLOGY

Red ball icon Life of the Past (PowerPoint slide show)

Red ball icon The Rocks (PowerPoint slide show)

Red ball icon The Surface (PowerPoint slide show)

White ball icon WATER RESOURCES

Red ball icon Agricultural Drainage Wells and Groundwater Quality (Abstracts)

Red ball icon Agriculture and Groundwater: The View from Big Spring

Red ball icon A View of Underground Water

Red ball icon Baseflow: Where Groundwater Meets Surface Water

Red ball icon Closure of Agricultural Drainage Wells (ADWs) Improves Water Quality

Red ball icon Iowa’s Groundwater Resources

Red ball icon IOWATER: Making a Splash with Volunteer Monitoring

Red ball icon Keeping Ahead of Groundwater Quality Questions

Red ball icon Keokuk Water Works:  Its Geological Foundations

Red ball icon Jumbo: A Runaway Artesian Well

Red ball icon Monitoring Iowa's Waters

Red ball icon Salt and Pepper Sands of Western Iowa

Red ball icon Sediment Transport Studies at Walnut Creek

Red ball icon State Water Plan

Red ball icon The Cambrian - Ordovician Aquifer and the Northeast Iowa Landscape

Red ball icon Water Resources Management Program

Red ball icon Watersheds & Time Horizons

Red ball icon Why Watersheds are Important:  A Lesson from the Rock Valley Project

White ball icon WETLANDS

Red ball icon Iowa's Peatlands

Red ball icon Wetlands: Their Geological Connection