Description: This layer represents locations of American Indian Tribal lands in the lower 48 states. The areas include all lands associated with Federally recognized tribal entities--Federally recognized Reservations, Off-Reservation Trust Lands, and Census Oklahoma Tribal Statistical Areas.This web service contains the tribal areas from EPAGeoservices web service dated 20140903 and published onto ArcGIS Online. Active monitors are based off of AQS and AirNow-Tech queries during the week of June 15th 2015. Monitor status may change weekly or even daily. Limitations of use:EPA makes no claims regarding the accuracy or precision of data concerning Indian country locations or boundaries on the EnviroFacts website. EPA has simply attempted to collect certain readily available information relating to Indian country locations. Questions concerning data should be referred to the originating program or Agency which can be identified in the Envirofacts tribal query metadata files Lower 48 States, Alaska Reservation, Alaska Native Villages, or Alaska Native Allotments. The Indian country locations shown here are suitable only for general spatial reference and do not necessarily reflect EPA's position on any Indian country locations or boundaries or the land status of any specific location. The inclusion of Indian country information on the EnviroFacts website does not represent any final EPA action addressing Indian country locations or boundaries. This information cannot be relied upon to create any rights, substantive or procedural, enforceable by any party in litigation with the United States or third parties. EPA reserves the right to change information on EnviroFacts at any time without public notice.EPA uses the US Census Bureau 2014 tribal boundary layer data when developing environmental data query responses for tribes in the lower 48 United States and Bureau of Land Management Alaska State Office when developing environmental data query responses for tribes in Alaska. The tribal boundary locations identified are suitable only for general spatial reference and do not necessarily reflect EPA's position on any Indian country locations or boundaries, or the land status of any specific location. EPA seeks to use the best available national federal data and may refine the tribal boundary layer in the future as more accurate national federal data becomes available.Please check sources, scale, accuracy, currentness and other available information. Please confirm that you are using the most recent copy of both data, metadata and services. Acknowledgement of the EPA would be appreciated.