Assessment of undiscovered oil and gas resources in the North-Central Montana Province, 2017 - Schenk, Christopher; Mercier, Tracey; Brownfield, Michael; Tennyson, Marilyn E.; Woodall, Cheryl A.; Le, Phuong A.; Klett, Timothy; Gaswirth, Stephanie B.; Finn, Thomas; Pitman, Janet; Marra, Kristen; Leathers-Miller, Heidi (Fact Sheet, 2018)