Geology Underfoot in Yellowstone Country Grand Canyon National Park Author SueAnn Martell is director

Author SueAnn Martell is director of of the Western Mining and Railroad Museum in Helper

and White Pockets

Wrist lanyard and case included helps protect the monocular when not in use

The Rocky Mountain region's diverse geography overflows with edible plant species

each guide invites you to experience the adventure and beauty of

Geology Underfoot in Yellowstone Country Grand Canyon National Park Author SueAnn Martell is directorBy: Marc S. Hendrix Although it's also known for wolves, bison, and stunning scenery, Yellowstone National Park was established as the world's first national park in 1872 largely because of its geologic wonders. In Geology Underfoot in Yellowstone Country, author and geologist Marc S. Hendrix takes you to over twenty sites in the park and surrounding region that illustrate the deep time story of Yellowstone Country, from its early existence as a