Skip to Content

All News and Pages Related to "Ryan Clark"

Ryan Clark

Posted on July 30th, 2014

Geologist, Iowa Geological Survey Office: 340D Trowbridge Hall, Iowa City, IA 52242 Phone Number: 319-335-4024 Mobile: 319-321-5551 Email: Education: M.S. Geology, The University of Iowa; B.S. Geology, The University of Iowa IGS Program Involvement and Research Interests: Bedrock geology Stratigraphy Groundwater resources Passive geothermal Water well drilling & construction Geologic mapping


Posted on June 20th, 2014

Welcome to the Iowa Geological Survey’s people directory! To browse the directory and find contact information for our staff of dedicated professionals, please choose “Staff” from the menu at left.  

Geologic Hazards

Posted on April 30th, 2014

Earthquakes Iowa Geological Survey geologists have information on historic Iowa earthquakes and significant earthquakes in other areas of the midcontinent. Only 12 earthquakes with epicenters in Iowa are known in historic times. The first known occurred in 1867 near Sidney in southwest Iowa, the most recent in 1948 near Oxford in the east-central part of […]

General Geology

Posted on April 30th, 2014

Mineral, Rock, and Fossil Identification Geologists at the Iowa Geological Survey regularly identify rocks, minerals, and fossils that are brought into our office.  If you are not able to stop by our office, send photos of the specimen via email.  Please make sure that the photos capture all aspects of the specimen, are in focus, […]