Keywords: Ponca Tribe Community buildings Pow Wow circle 2.JPG en Pow Wow Circle Ponca Tribe of Nebraska community buildings located at 88915 521 Avenue south of Niobrara in rural Knox County Nebraska 2013-05-25 11 36 32 own Ammodramus cc-zero Pictures by Ammodramus Ponca Tribe of Nebraska Community Buildings Uploaded with UploadWizard |