1996
Cities in Ohio
Tunnels
Borders
Pylons
Rivers of Arizona
Energy in Arizona
Statues in Arizona
Bridges in Nevada
Historical technical illustrations
Energy in Nevada
Flags at half staff | Statues of angels
Declined valued image candidates
Dams in Arizona
Night in the United States
Hoover Dam Bypass
Nevada in the 1990s
U.S. Route 93
Pat Tillman
Hydroelectric power
Franklin County, Ohio
Hydroelectric generators
Dams in the United States | Delaware County, Ohio
Mohave County, Arizona
Bridge models
Infrastructure models
Dams in Ohio
Lake Mead National Recreation Area
U.S. Highway bridges
Visitor centers in the United States
Dams in Nevada |
