The Historic Columbia River Gorge - Rehabilitating a Rural Designed Landscape  The HCRH is featured in an article in a National Park Service online publication that addresses cultural landscapes.

 

The Columbia River Highway: A Poem in Stone - Historic postcards and photographs of the Historic Columbia River Highway from the Oregon State Archives collection.

 

 

 

Built in America - Historic American Engineering Record - This site has several entries related to the Highway, with many more under construction. Try a keyword search for Historic Columbia River Highway.

 

Mid-Columbia History - interesting tidbits of history and folklore.

 

 

 

 

USDA Forest Service--Columbia River Gorge National Scenic Area - Geology - Learn about the dynamic geological history that formed the Gorge.

 

Missoula Floods - These floods would have submerged present-day Portland under 800 feet of water!

USDA Forest Service--Columbia River Gorge National Scenic Area - All about the unique protection status of the Columbia River Gorge.

 

 

Ohio Turnpike  

Pennsylvania Turnpike  

Historic Roads  Dedicated to the Identification, Preservation, and Management of Historic Roads.

 

Society for Commercial Archeology  Established in 1977, the SCA is the oldest national organization devoted to the buildings, artifacts, structures, signs, and symbols of the 20th-century commercial landscape.

 

Society for Industrial Archeology   Established in 1971, the SIA is made up of over 1,600 members, world-wide, who have a strong interest in preserving, interpreting, and documenting our industrial past and heritage.

 

Transportation Research Board's ADC50 Committee on Historic and Archaeological Preservation in Transportation  Concerned with all cultural resources associated with transportation projects including highways, waterways, transit, and aviation.