inin a letter to congress, actig army secretary robert speer said the corps will cancel an environmnmental impactct study f the dakota access pipeline and will gra an n easement today, allowing energrgy transfer partners to o drill under the missouri river. the corps also sayays it will suspend a customary 14 day waiting period following its order, meaning the company could immediately begin boring a tunnel for the final 1.5 miles of pipe. the standing rock sioux tribe has promised a legal fight. trouble council chair dave archambault said in a statement -- "a"as data peoples, we have been knocked down again but we will get back up. we will rise above the greed and corruption that has plagued our peoples since first contact. we call on the native nations of the united states to stand together, unite, and fight back." other water protectors and their allies have vowed to take direct action to stop the construction of the drill on the west bank of the missouri river less than a mile from the standing rock reservation. activist are planning solidarity actions in cities across north america an