But it also is naturally occurring — and that’s where the interactive map comes in. Iowa is one of the handful of states that have some areas with high potential for geologic hydrogen.

After more than four decades the state of Iowa is releasing an updated map of the state's bedrock geology. The Iowa Department of Natural Resources says the map is available to help Iowans find ...

THE papers in this report contain descriptions of the geological characteristics ... with the many maps and diagrams, will be found of interest and service to the people of Iowa.

director of the Iowa Geological Survey The Iowa legislature has set aside $250,000 to start developing accurate maps of Iowa’s underground water resources. State geologist Keith Schilling is ...

F. Kay and his colleagues on the Iowa Geological Survey during the last ten years or so. It has to be admitted that the effectiveness of the old methods is definitely limited, for the sands and ...