Window Rock, AZ Office

Window Rock AML/UMTRA Department
P.O. Box 1875
3783 Window Rock Blvd
Window Rock, AZ 86515
Toll Free at 1-866-458-4390
Fax: (928) 871-7190





Madeline Roanhorse

Department Manager III  

Notah Silversmith

Programs & Projects Specialist

Ophelia Yazzie

Administrative Assistant

Marietta Jensen

Programs & Projects Specialist  

Kayla Bia

Senior Office Specialist

Devin Fatt

Office Specialist  

Joshua Halona

Network Specialist

Cortasha Upshaw

Senior Public Information officer





May 4-5, 2018 - Shiprock Marathon, Shiprock, NM

May 24, 2018 - Dine Uranium Advisory commission open meeting - Blue Gap, AZ

June 1, 2018 - Navajo Nation Treaty Day 

June 20-22, 2018 - Navajo Nation Environmental Protection Agency Conference 

June 28, 2018 - Dine Uranium Advisory Commission open meeting - Churchrock, NM


Lakewood uranium company gets federal OK to expand in Utah (Feb. 28)




Navajo, Havasupai resist uranium mining (Feb. 27)



Amid Calls for a U.S. Uranium Mining Renewal, Recalling Its Toxic Past (Feb. 27)


Before the US Approves New Uranium Mining, Consider Its Toxic Legacy (Feb. 24)



Navajo President: Go To College, Then Bring That Knowledge Home (Feb. 18)



Researchers measure mixed metals mining contamination on Native Americans (Feb. 4)