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All News and Pages Related to "Iowa"

Paleozoic Plateau

Posted on June 16th, 2017

  The following information is based on the book Landforms of Iowa, by Jean C. Prior, published by the University of Iowa Press, Iowa City, in 1991. The book was designed and illustrated by Patricia J. Lohmann.”   If Iowa’s landscape had to be divided into only two regions, one would be northeastern Iowa and the […]

Northwest Iowa Plains

Posted on June 15th, 2017

  The following information is based on the book Landforms of Iowa, by Jean C. Prior, published by the University of Iowa Press, Iowa City, in 1991. The book was designed and illustrated by Patricia J. Lohmann.”   The landscapes of northwest Iowa have a seasoned appearance, exhibiting a blend of terrain features and geologic materials […]

Loess Hills

Posted on June 15th, 2017

  The following information is based on the book Landforms of Iowa, by Jean C. Prior, published by the University of Iowa Press, Iowa City, in 1991. The book was designed and illustrated by Patricia J. Lohmann.”   Irregularities in the landscape always catch the eye. These differences in elevation are described as the land’s relief, […]

Iowan Surface

Posted on June 15th, 2017

  The following information is based on the book Landforms of Iowa, by Jean C. Prior, published by the University of Iowa Press, Iowa City, in 1991. The book was designed and illustrated by Patricia J. Lohmann.”   Sweeping, outstretched landscapes span a large area of the northeastern quarter of Iowa. This relaxed, open topographic style […]

Alluvial Plains

Posted on June 15th, 2017

  The following information is based on the book Landforms of Iowa, by Jean C. Prior, published by the University of Iowa Press, Iowa City, in 1991. The book was designed and illustrated by Patricia J. Lohmann.”   Water in motion is one of those timeless processes in nature that hold our gaze and set our […]

Des Moines Lobe

Posted on June 15th, 2017

  The following information is based on the book Landforms of Iowa, by Jean C. Prior, published by the University of Iowa Press, Iowa City, in 1991. The book was designed and illustrated by Patricia J. Lohmann.”   The icy grip of continental glaciers was one of the most significant geologic processes to affect the Iowa […]

Paleokarsts in Iowa

Posted on March 24th, 2015

Paleokarsts in Iowa by Robert M. McKay Following heavy rain, a muddy torrent of water laden with dislodged soil, twigs and leaves rushes down a gully and spills over a lip of rock, disappearing into a dark echoing hole. Crashing to the bottom of the pit, the flow continues outward and downward along narrow passageways […]

The Jumbo Well

Posted on February 26th, 2015

Jumbo: A runaway Artesian Well by Robert D. Libra   Since the settlement of Iowa began in earnest over 150 years ago, tens of thousands of water wells have been drilled, bored, or dug. Drilling and construction of wells is at times a difficult and frustrating endeavor, as unseen conditions below the land surface must […]

Marine Transgressions in northwest Iowa

Posted on February 19th, 2015

Introduction to the Midcontinental Rift

Posted on November 25th, 2014

By Raymond R. Anderson One billion years ago, the Earth’s crust split across part of the North American continent. This tear or rift, known as the Midcontinent Rift System, extended for 950 miles from what is now Lake Superior to Oklahoma, and was on its way to becoming a full-fledged ocean when the process halted. […]