 It was funded by a Public Works Administration grant and by a local bond issue.The building was deemed "architecturally significant because its Y-shaped plan is unique in Oklahoma and because its designer, Albert S. Ross, is one of Oklahoma's foremost architects...the Ada building is generally considered 'to be Ross's finest achievement.The building is virtually pristine, retaining almost one hundred percent of its original materials and also retaining its integrity of workmanship, design, feeling, and association."