Built as a residence in 1927, The Philbrook Museum of Art is located in one of Tulsa’s oldest neighborhoods.  Wallace was involved in the rehabilitation and upgrading of Crow Creek through the Philbrook property, including hydraulic assessments for each improvement within the floodway, low-water crossings, elevated pedestrian bridges and terraced stone walls.  Wallace also provided structural engineering services on new restrooms at the existing Garden House and repairs to the Summer House.