"Native American Scholar and shaman, Evan Pritchard, dedicates CoSM's cairn in honor of the indigenous people who walked our land 400 years ago... The shrine's shape, suggested by Evan, was modeled after stone mounds found in the Hudson Valley, some thought to be over 4,000 years old."

http://cosm.typepad.com/cosm_blog/2011/11/wappinger-shrine.html