TY - RPRT TI - Assessment of Undiscovered Technically Recoverable Oil and Gas Resources of the Bakken Formation, Williston Basin, Montana and North Dakota, 2008 AU - R. M. Pollastro AU - L. N. R. Roberts AU - T. A. Cook AU - M. D. Lewan PY - 2008 DO - 10.3133/ofr20081353 UR - https://pubs.usgs.gov/publication/ofr20081353 ID - ofr20081353 ER -