The Hell Creek Formation - Fossil Ecosystems of North America: A Guide to the Sites and their Extraordinary Biotas - page 173

F URTHER R EADING
Alvarez, L. W., Alvarez, W., Asaro, F. and
Michel, H. V. 1980. Extraterrestrial
cause for the Cretaceous-Tertiary
extinction. Science 208 , 1095-1108.
Brown, B. 1907. The Hell Creek beds of
the Upper Cretaceous of Montana:
Bulletin of the American Museum of
Natural History 23 , 823-845.
Brown, R. W. 1938. The Cretaceous-
Eocene boundary in Montana and
North Dakota. Proceedings of the
Washington Academy of Sciences 28 ,
421-422.
Hartman, J. H. 2002. Hell Creek
Formation and the early picking of
the Cretaceous-Teriary boundary in
the Williston Basin. In: J. H. Hartman,
K. R. Johnson and D. J. Nichols (eds.).
The Hell Creek Formation and the
Cretaceous-Tertiary Boundary in the
Northern Great Plains: an Integrated
Continental Record of the End of the
Cretaceous . Geological Society of
America Special Paper 361 , pp. 1-7.
Hartman, J. H. and Kirkland, J. I. 2002.
Brackish and marine mollusks of the
Hell Creek Formation of North
Dakota: evidence for a persisting
Cretaceous seaway. In: J. H. Hartman,
K. R. Johnson and D. J. Nichols
(eds.). The Hell Creek Formation
and the Cretaceous-Tertiary
Boundary in the Northern Great
Plains: an Integrated Continental
Record of the End of the Cretaceous .
Geological Society of America Special
Paper 361 , pp. 271-296.
Johnson, K. R. 2002. Megaflora of the
Hell Creek and lower Fort Union
formations in the western Dakotas:
vegetational response to climate
change, the Cretaceous-Tertiary
boundary event, and rapid marine
transgression. In: J. H. Hartman,
K. R. Johnson and D. J. Nichols (eds.).

The Hell Creek Formation and the
Cretaceous-Tertiary Boundary in the
Northern Great Plains: an Integrated
Continental Record of the End of the
Cretaceous . Geological Society of
America Special Paper 361 , pp.
329-391.
Johnson, K. R., Nichols, D. J. and
Hartman, J. H. 2002. Hell Creek
Formation: a 2001 synthesis. 503-510.
In: J. H. Hartman, K. R. Johnson, and
D. J. Nichols (eds.). The Hell Creek
Formation and the Cretaceous-
Tertiary Boundary in the Northern
Great Plains: an Integrated
Continental Record of the End of the
Cretaceous . Geological Society of
America Special Paper 361 ,
pp. 503-510.
Larson, P. L. 1985. A preliminary
paleontologic and geologic
investigation of the Ruth Mason
dinosaur quarry (Maestrichtian age),
South Dakota. Abstracts of the Annual
Meeting of the Society of Vertebrate
Paleontologists 1985, 5.
Larson, P. L. and Donnan, K. 2002. Rex
Appeal: the Amazing Story of Sue, the
Dinosaur that Changed Science, the
Law, and My Life . Invisible Cities
Press, Montpelier, Vermont.
Meek, F. B. and Hayden, F. V. 1856.
Descriptions of new species of
Gasteropoda from the Cretaceous
formations of Nebraska Territory.
Proceedings of the Philadelphia
Academy of Natural Sciences 8 , 63-69.
Murphy, E. C., Hoganson, J. W. and
Johnson, K. R. 2002. Lithostratigraphy
of the Hell Creek Formation in North
Dakota. In: J. H. Hartman,
K. R. Johnson and D. J. Nichols (eds.).
The Hell Creek Formation and the
Cretaceous-Tertiary Boundary in the
Northern Great Plains: an Integrated
Continental Record of the End of the
Cretaceous . Geological Society of
America Special Paper 361 , pp. 9-34.