Winds of Time
by Jon Burch Photography
Title
Winds of Time
Artist
Jon Burch Photography
Medium
Photograph - Digital Capture And Enhancement
Description
With ancient cretaceous sea sediments forming Pawnee Buttes in north eastern Colorado and modern day wind turbines visible on the horizon, this image encompasses a time frame as vast as the prairie itself.
Pawnee Buttes are two prominent buttes located within the Pawnee National Grassland in Weld County, of northeastern Colorado. Rising approximately 300 feet above the surrounding plains, the buttes are erosional remnants left standing in isolation as the surrounding High Plains surface has gradually worn away. The lower portions of the buttes are composed of relatively soft, clay-rich sedimentary rock called the Brule formation. The Brule formation is protected by an overlying layer of sandstone and conglomerate sediments called the Arikaree formation, which are more resistant to weathering.
In James Michener's book "Centennial", Pawnee Buttes were referred to as 'Rattlesnake Buttes'. Today, the buttes are surrounded by a nuclear ICBM missile silo field maintained by personnel from the 90th Missile Wing stationed at Warren Air Force Base in Cheyenne, Wyoming.
This image of Pawnee Buttes was made in eastern Colorado on the Pawnee National Grasslands with a modern digital camera on a warm August evening.
Image copyright 2015 Jon Burch Photography
Uploaded
January 14th, 2015
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