16th Annual Smithsonian Magazine Photo Contest Natural World
Marble Creek Waterfall

Hwy E wilderness, Madison County Missouri, Mark Twain National Forest, Marble Creek Campground. St. Francois Mountains, part of the original North American continent, an ancient volcanic range 1.5 billion years old never submerged under any ocean.

Photo Detail
Date Taken: 09.2018
Date Uploaded: 09.2018
Photo Location: Fredericktown , Missouri, United States of America
Copyright: © Gene Speed