Marine Cretaceous-Tertiary boundary section in southwestern South Dakota: Comment and ReplyDOI: info:10.1130/0091-7613(2002)030<0955:MCTBSI>2.0.CO;2v. 30No. 10954
Harries, Peter J., Johnson, Kirk R., Cobban, William A., and Nichols, Douglas J. 2002. "Marine Cretaceous-Tertiary boundary section in southwestern South Dakota: Comment and Reply." Geology, 30, (10) 954. https://doi.org/10.1130/0091-7613(2002)030<0955:MCTBSI>2.0.CO;2.