Steve Mason was the volunteer chairman of the site selection, design, and construction of the $12.2M Girl Scout Trivera adjacent to the OKC Zoo. The 16 acre camp is located in the rolling hills with 100 year old trees of Eastern OK county. The 30,000 sf building sleeps 80 people, seats 350 in the dining room, and provides STEM classrooms. The camp includes a swimming pool, 3 exterior sleeping treehouses, outdoor camping spots, an activity court, a swimming pool, and a zip line to and from the zoo. The 4.5 year project was completed in July, 2020.