AL.com | Dakota Access oil pipeline protesters urge unity after days of confrontations AL.com Holly Doll, of Mandan, an enrolled member of the Standing Rock Sioux Tribe, holds a protest sign outside the state's capitol building, in Bismarck, N.D., Saturday, Oct. 29, 2016. Doll and more than 60 other demonstrators voiced their opposition to an ... Tense oil pipeline protest subsides at least temporarily New Standoff in Pipeline Protest Ebbs Without Violence What to Know About the Dakota Access Pipeline Protests |