Vandenberg's fraternal memberships included Masons, Shriners, Elks, and Woodmen of the World. The Quad Cities River Bandits baseball team play games at Downtown Davenport's Modern Woodmen Park. Modern Woodmen is a tax-exempt fraternal benefit society. Keith was also active in the Masonic lodge, the Shriners, and Woodmen of the World. Brett belonged to the Woodmen of Arden, an archery club established in 1785. WOW built its current 30-story Woodmen Tower in 1969. The "Woodmen of the Union Building" opened in 1922. He adopted the term "woodmen" for his organization. The result was a massive redesign of the field and grounds at Modern Woodmen Park. The project was to construct a municipal stadium (now called Modern Woodmen Park). Blocker's remains were interred in a family plot in Woodmen Cemetery, in De Kalb, Texas. Midwest League All-Star Games were held at Modern Woodmen Park. The Circle eventually reached 130,000 members, but it was absorbed by the Woodmen in 1965. Originally, Modern Woodmen had a unique set of membership restrictions and criteria. He soon dropped the "Modern", and the organization became "Woodmen of the World".