By the OTC. It features the "Sacred Rain Arrow" sculpture by the late Allan Houser. Mr Houser died in 1994. He was a full-blood Chiricahua Apache born among the Ft. Sill Apache People in Lawton in 1914. The statue has been on display in Tulsa at the Gilcrease since 1988. It depicts an Apache archer shooting an arrow into the sky as part of a religious ceremony to make it rain. No doubt the ACLU will file a lawsuit.
http://www.allanhouser.com/intro.html