(Felicia Fonseca | The Associated Press) In this Feb. 15, 2013, file photo, Tuba City corrections supervisor Lt. Robbin Preston gives a tour of the new adult detention facility in Tuba City, Ariz. Some tribal health care and corrections workers have raised concerns that a patchwork approach to providing health care within scores of jails on reservations has resulted in staff determining whether to send an inmate to a hospital, or provide basic care themselves.