In this Feb. 13, 2017, aerial file photo shows the site where the final phase of the Dakota Access Pipeline will take place with boring equipment routing the pipeline underground and across Lake Oahe to connect with the existing pipeline in Emmons County near Cannon Ball, N.D. American Indians from across the country are bringing their frustrations with the Trump administration and its approval of the Dakota Access oil pipeline to the nation’s capital Tuesday, March 7, 2017, kicking off four days of activities that will culminate in a march on the White House.