Here is the order in Morgan v. Vilsack:
EEOC
New Mexico Bar Journal Article on Navajo Nation Preference Laws and the EEOC
Here.
Federal Court Declines to Dismiss Age Discrimination Complaint against Jackson Band Miwuk
Here are the materials in Colmar v. Jackson Band of Miwuk Indians (E.D. Cal.):
EEOC v. Peabody Coal & Navajo Nation — CA9 Materials
This long-running case involves the Navajo tribal preference statute. The district court dismissed the claim under Rule 19 (one of my faves!). Here are the Ninth Circuit materials: