Browse Items (200 total)

• 
  1960s

  Lake Mead

  Photograph of a reservoir.
• 
  1960s

  Hoover Dam

  Photograph of a hydroelectric dam.
• 
  1960s

  Hoover Dam

  Photograph of a hydroelectric dam.
• 
  1960s

  Grand Canyon View Point

  Photograph of people looking at the Grand Canyon.
• 
  1960sTransportation

  Grand Canyon Helicopter Tour

  Photograph of a tour helicopter.
• 
  1970s

  Thomas Custer House

  Photograph of a car parked in front of an historic house.
• 
  1970s

  People Viewing a Lock on the Panama Canal

  Snapshot of people on a boat viewing a lock on a canal.
• 
  1970s

  People Viewing a Lock on the Panama Canal

  Snapshot of people on a boat viewing a lock on a canal.
• 
  1970s

  Tugboat on the Panama Canal

  Snapshot of a tugboat guiding a ship on a canal.
• 
  1970s

  Mule Guiding a Ship on the Panama Canal

  Snapshot of a electric train guiding a ship on a canal.
• 
  1970s

  Small Crane on Rails on the Panama Canal

  Snapshot of a electric crane on the side of a canal.
• 
  1970s

  Mule Guiding a Ship on the Panama Canal

  Snapshot of a electric train guiding a ship on a canal.