California Memorial Stadium

Since 1923, California (Cal) Memorial Stadium in Berkeley, CA, has been the home of the University of California (UC) Berkeley?s football team.

St. Paul Union Depot

The St. Paul Union Depot, also known affectionately as SPUD, was originally built in 1881, at which time it became a landmark transportation facility in downtown St. Paul, MN.

CSX Pinkerton Tunnel

As part of the National Gateway Clearance Project, the Pinkerton Tunnel, located in Markleton, PA, was to be removed because it did not have the required height clearance to accommodate double-stack freight railroad cars.

Where Are We Now with Sprayed Concrete Lining in Tunnels?

Traditional methods of sprayed concrete lining (SCL) tunnels (in soft ground) comprise a temporary primary lining of sprayed concrete with a sheet membrane inside and a permanent cast in-situ concrete lining, usually reinforced with steel bars

How Carl Akeley Saved Christmas

For more than 50 years, the trees along Chicago?s North Michigan Avenue have been illuminated to signal the official kick-off of the holiday season and encourage everyone to join in the spirit and enjoy a host of festive experiences along Chicago?s Magnificent Mile.