Image 1 of 1

20170521WindCave0086.JPG

Boxwork, a rare type of mineral structure, is pictured within Wind Cave at Wind Cave National Park in South Dakota on Sunday, May 21, 2017. (Photo by James Brosher)
Copyright
Copyright © 2017 James Brosher, all rights reserved
Image Size
5502x3668 / 10.5MB
http://www.brosher.com
Contained in galleries
Black Hills, South Dakota
Boxwork, a rare type of mineral structure, is pictured within Wind Cave at Wind Cave National Park in South Dakota on Sunday, May 21, 2017. (Photo by James Brosher)