Smithsonian magazine's 22nd Annual Photo Contest | Made possible through the support of MPB.com

10th Annual Smithsonian Magazine Photo Contest Travel
"Overflow" Emergency overflow structure, Hoover Dam, AZ, USA

"Overflow" Emergency overflow structure, Hoover Dam, AZ, USA

Photo Detail
Date Taken: 10.2011
Date Uploaded: 04.2012
Photo Location: Boulder City, Nevada, United States of America
Camera: DSC-H1
Copyright: © B. Noah Tilghman