John Powell

 

 

 

 

 

 

John Wesley Powell was an explorer and early conservationist who surveyed the Rocky Mountains and the Grand Canyon.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Image from: myhero.com/images/explorer/powell