Districts of the Indian Health Service as applied to the Navajo Nation territory
compiled by Aces Products under contract for the Indian Health Service, US Public Health Service
<a rel="nofollow" class="external text" href="http://www.ihs.gov/FacilitiesServices/AreaOffices/Navajo/naihs-nation-map.asp">"Navajo Nation Map" Navajo Area Indian Health Service, Public Health Service</a>