Here is that order:
CBD v. Pizarchick Rule 19 Order
Materials are here.
Center for Biological Diversity v. Pizarchik
Update in Center for Biological Diversity v. Pizarchik (and Navajo Nation and BHP Navajo Coal)
The Navajo motion to intervene in this suit is here.
The updated materials:
Navajo Nation Moves to Intervene in Environmental Suit to Protect Navajo Mine Interests
Here are the materials in Center for Biological Diversity v. Pizarchik (D. Colo.):
Turtle Talk 