If confirmed, Native American site may delay $3.8B pipeline

FILE - In this May 9, 2015 file photo, pipes for the proposed Dakota Access oil pipeline that will stretch from the Bakken oil fields in North Dakota to Illinois are stacked at a staging area in Worthing, S.D. Construction on the pipeline is now underway in North Dakota, South Dakota and Illinois, three of the four states that will carry the oil from western North Dakota. The pipeline also will cross Iowa, but regulators there have declined to act quickly on a request to allow Texas-based Energy