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Fort Defiance Agency

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The Fort Defiance Agency (FDA) provides quality services to the Navajo Indian people within the southern region of the Navajo Nation. The southern region is comprised of the States of Arizona and New Mexico. The FDA provides both Indian and Trust services programs. The FDA Trust services programs are: Natural Resources and Real Estate Services. Trust Services programs are under the general supervision of the Regional Program Divisions, whom report to the Deputy Regional Director, Trust Services. The Indian services programs are Transportation and Safety and are under the general supervision of the Regional Program Divisions, whom report to the Deputy Regional Director, Indian Services. The FDA Office is located in Fort Defiance, Arizona.  The contact information for the FDA are as follows:

Natural Resources:
Telephone: (505) 863-8437
Telefax:      (928) 729-7213

Telephone: (928) 810-5905
Telefax:      (928) 729-7233

Real Estate Services:
Telephone: (505) 863-8430
Telefax:      (928) 729-7246

Telephone: (928) 729-7222
Telefax:      (928) 729-7225

Regional Fire Mgmt:
Telephone: (928) 729-7230
Telefax:      (928) 729-5959

Mailing Address:
Fort Defiance Agency
Bureau of Indian Affairs
P.O. Box 7H
Fort Defiance , AZ 86504

Below is a map of the FDA consisting of the 27 chapters along with the number representing the total population of each chapter. According to the 2010 U.S. Census, FDA has a total population of 43,138.  FDA has a total of 3,211,317 acres and 3,845 grazing permittees.

Fort Defiance Agency

Below  is an Excel data table showing FDA's permit and capacity data for each district:

Fort Defiance Agency No. of Grazing Permits No. Of Permittees No. of Sheep Units Permitted (in SUYL)
District 7 608 608 31,121
District 14 735 735 25,385
District 17 1,426 1,426 70,534
District 18 958 958 42,648
Agency Total 3,727 3,727 169,688

The following PDF links contain range inventory reports that have details on how the carrying capacity data was obtained:

District 7- Vegetation Inventory Report 2007

District 14 - Vegetation Inventory Report 2013

District 17 - Vegetation Inventory Report 2012

District 18 - Vegetation Inventory Report 2011


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