This 1930s educational film provides an in-depth exploration of engineering achievements, focusing on the Brooklyn Bridge and underwater tunnel construction. The narrative alternates between ...
Multnomah County’s endeavor in downtown Portland to test a potential foundation design for a new, seismically resilient Burnside Bridge has proven successful, officials said Friday. County crews ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results