The Caddo filed a lawsuit May 25 seeking to halt construction for two weeks while the tribe conducted archeological work with ground-penetrating radar, or GPR, which can identify potential artifacts or features without the need to disturb a site by digging.
A U.S. District Court judge ordered a temporary stop to work at the site, one and a-half miles north of Anadarko, pending a hearing. The order was lifted May 31, and the Wichita resumed work. The Caddo then filed an appeal on June 7 to the 10th U.S. Circuit Court in Denver. No hearing date has been set at this time.