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





October 11-13, 2018—Western Navajo Fair & Parade, Tuba City, AZ

October 22, 2018—STEM Event Day @ Whitehorse High School, Whitehorse, UT

October 23, 2018—STEM Event Day @ Red Mesa High School, Red Mesa, AZ

October 25, 2018—STEM-sation Event Day @ Navajo Prep High School, Farmington, NM

October 25, 2018—Dine Uranium Remediation Advisory Commission Mtg. Rough Rock Chapter House

November 8, 2018—STEM-sation Event Day @ Chinle High School, Chinle, AZ

November 16-17, 2018—Monument Valley Balloon Festival, Monument Valley, UT

November 29, 2018—Dine Uranium Remediation Advisory Commission Mtg.  Dine College Tsaile, AZ


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)