FAQ: http://www.usace.army.mil/Dakota-Access-Pipeline/FAQs/
Good article with info: http://www.grandforksherald.com/opinion/op-ed-columns/4155469-viewpoint-dakota-access-pipeline-protesters-must-face-facts
http://cdm16021.contentdm.oclc.org/cdm/ref/collection/p16021coll7/id/2801
Thank you for the links.