Standing Rock Sioux Sues Army Corps over Dakota Access Pipeline

Here are the materials so far in Standing Rock Sioux Tribe v. United States Army Corps of Engineers (D.D.C.):

Standing Rock Complaint

Motion preliminary injunction

DAPL motion to intervene

Proposed order preliminary injunction

Proposed order expedited hearing

UPDATE (8/24/16):

USACE opposition memorandum to PI motion

Standing Rock reply in support of PI