Brown J.L. Sedimentology and depositional history of the Lower Paleocene Tullock Member of the Fort Union Formation,Powder River Basin,Wyoming and Montana:depositional style of fluvial deposits during initiation of a Laramide foreland basin / J.L.Brown, 1993. - V,42 p. p. - Текст : непосредственный.
Bulletin / US.Geol.survey. 1917-F : Palynostratigraphy of the Tullock Member(Iower Paleocene)of the Fort Union Formation in the Powder River Basin,Montana and Wyoming / D.J.Nichols,J.L.Brown, 1992. - IV,35 p. - Текст : непосредственный.
Dubiel R.F. Sedimentologic analysis of cores from the Upper Triassic Chinle Formation and the Lower Permian Cutler Formation,Lisbon Valley,Utah / R.F.Dubiel,J.L.Brown, 1993. - 40 p. - Текст : непосредственный.