Rogers, Raymond R.; Kidwell, Susan M.; Deino, Alan L.; Mitchell, James P.; Nelson, Kenneth; Thole, Jeffrey T. (1 de janeiro de 2016). «Age, Correlation, and Lithostratigraphic Revision of the Upper Cretaceous (Campanian) Judith River Formation in Its Type Area (North-Central Montana), with a Comparison of Low- and High-Accommodation Alluvial Records». The Journal of Geology. 124 (1): 99–135. Bibcode:2016JG....124...99R. ISSN0022-1376. doi:10.1086/684289
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Rogers, Raymond R.; Kidwell, Susan M.; Deino, Alan L.; Mitchell, James P.; Nelson, Kenneth; Thole, Jeffrey T. (1 de janeiro de 2016). «Age, Correlation, and Lithostratigraphic Revision of the Upper Cretaceous (Campanian) Judith River Formation in Its Type Area (North-Central Montana), with a Comparison of Low- and High-Accommodation Alluvial Records». The Journal of Geology. 124 (1): 99–135. Bibcode:2016JG....124...99R. ISSN0022-1376. doi:10.1086/684289
Rogers, Raymond R.; Kidwell, Susan M.; Deino, Alan L.; Mitchell, James P.; Nelson, Kenneth; Thole, Jeffrey T. (1 de janeiro de 2016). «Age, Correlation, and Lithostratigraphic Revision of the Upper Cretaceous (Campanian) Judith River Formation in Its Type Area (North-Central Montana), with a Comparison of Low- and High-Accommodation Alluvial Records». The Journal of Geology. 124 (1): 99–135. Bibcode:2016JG....124...99R. ISSN0022-1376. doi:10.1086/684289