Northern Border Pipeline Company, Omaha, Nebraska No description specified. 1-2 (2 Records) Documents 32EM61. In Archeology of the Northern Pipeline, North Dakota: Test Excavations, Edited M. J. Root and M. L. Gregg (1983) Archeology of the Mondrian Tree Site (32MZ58), McKenzie County, North Dakota, Grand Forks. 3 Volumes (1983)