Native American author Walter Echo-Hawk and artist Sonny Howell spoke to Northern Oklahoma students and staff Nov. 15 at the Cultural Engagement Center (CEC) on the NOC Tonkawa campus. The lecture and artist reception were part of Native American Heritage Month at NOC. Echo-Hawk, a member of the Pawnee Nation, lectured on his 2018 book, Sea of Grass, while Howell explained the inspiration…