Mid-Continent Tower, office in Tulsa, Oklahoma
Mid-Continent Tower is an office building in Tulsa, Oklahoma, made of two sections: the original structure from 1918 and an upper section with 21 floors added in 1984. Both parts were designed in the same Neo-Gothic style and appear as one connected structure with a white terra cotta exterior and copper roof.
The building was originally built in 1918 as the Cosden Building for oil businessman Joshua Cosden and was one of the first concrete skyscrapers in the world. After being added to the National Register of Historic Places in 1979, it was expanded in 1984 and received its present name.
The building sits in downtown Tulsa and is easy to spot by its white terra cotta exterior and copper roof, making orientation simple. As an active office complex with business access, visitors can enjoy the architecture and details from outside or during business visits.
The 1984 expansion was built as a cantilever over the original structure rather than directly on top, an innovative engineering solution to preserve the historic building's stability. Over 85,000 pieces of terra cotta were custom-made for the new facade to match the Neo-Gothic ornaments, spires, and moldings exactly.
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