1. Assessment of undiscovered biogenic gas resources, North-Central Montana Province Publication/Creation: [Reston, Va.] : U.S. Dept. of the Interior, U.S. Geological Survey, [2008] Resource Type: Book Access & Availability: Loading
2. Assessment of undiscovered oil resources in the Bakken and Three Forks Formations, Williston Basin Province, Montana, North Dakota, and South Dakota, 2013 Publication/Creation: [Reston, Virginia] : U.S. Department of the Interior, U.S. Geological Survey, [2013] Resource Type: Book Access & Availability: Loading
3. Assessment of undiscovered oil resources in the Devonian-Mississippian Bakken Formation, Williston Basin Province, Montana and North Dakota, 2008 Publication/Creation: [Reston, Va.] : U.S. Dept. of the Interior, U.S. Geological Survey, [2008] Resource Type: Book Edition: Version 1.0. Access & Availability: Loading