Articles

The Third Lake Cache, St. Louis County, Minnesota (with Susan C. Mulholland and Stephen L. Mulholland), Current Research in the Pleistocene (2011)
 

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Alluvial Stratigraphy and Geoarchaeology in the Big Fork River Valley, Minnesota: Human Response to Late Holocene Environmental Change (with George Rapp and Zhichun Jing), Geological Society, London, Special Publications (2011)

The Late Quaternary geomorphology and stratigraphy of the Big Fork River valley, within the Rainy...

 

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Stratigraphy and Sedimentology at Bir Sahara, Egypt: Environments, Climate Change and The Middle Paleolithic, Catena (2009)

Bir Sahara, situated in northeast Africa, contains a set of sedimentary sequences that imply episodic...

 

Paleohistological Study of Pleistocene Mammoth (Mammuthus) Bone (with Margaret A. Streeter and Sean Prall), Current Research in the Pleistocene (2008)
 

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Variability in a Pleistocene Climate Sequence from Bir Tarfawi, Egypt (with Cynthia A. Bradbury), Proceedings of the 50th Annual Meeting of the Idaho Academy of Science (2008)

North Africa contains evidence of environmental change that can be used to examine past climate...

 

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Geoarchaeology and Late Glacial Landscapes in the Western Lake Superior Region, Central North America, Geoarchaeology (2007)

The transition from full glacial to interglacial conditions along the southern margin of the Laurentide...

 

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Late Glacial Landscape Ecology in Central North America, Geoarchaeology (2007)

The transition from full glacial to interglacial conditions along the southern margin of the Laurentide...

 

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Stratigraphic and Geochronologic Contexts of Mammoth (Mammuthus) and Other Pleistocene Fauna, Upper Missouri Basin (Northern Great Plains and Rocky Mountains), U.S.A., Quaternary International (2006)

Mammoth fossils and other Pleistocene vertebrates from the Upper Missouri Basin, in the northern Plains...

 

Fossil Ground Sloths, Megalonyx and Paramylodon (Mammalia: Xenarthra), from the Doeden Local Fauna, Montana (with Michael C. Wilson and H. Gregory McDonald), Current Research in the Pleistocene (2005)
 

A Younger Dryas Pollen Spectrum from Blacktail Cave, Lewis and Clark County, Montana (with James K. Huber), Current Research in the Pleistocene (2004)
 

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Identification of Immunoreactive Material in Mammoth Fossils (with Mary Higby Schweitzer, John M. Asara, William S. Lane, and Seth H. Pincus), Journal of Molecular Evolution (2002)

The fossil record represents a history of life on this planet. Attempts to obtain molecular...

 

Fossil Arctodus from the Doeden Local Fauna (Illinoian/Sangamonian?), Eastern Montana (with Michael C. Wilson), Current Research in the Pleistocene (2002)
 

Pollen and Algae from Late-Wisconsin Glacial Lake Great Falls Sediments, Holter Lake, Montana (with James K. Huber), Current Research in the Pleistocene (2002)
 

Radiocarbon Dates for Paleoindian Components (Folsom, Scottsbluff) at the MacHaffie Site, West-Central Montana Rockies (with Leslie B. Davis and John W. Fisher Jr.), Current Research in the Pleistocene (2002)
 

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Geologic Contexts of the Acheulian (Middle Pleistocene) in the Eastern Sahara, Geoarchaeology: An International Journal (2001)

The Bir Tarfawi and Bir Sahara East region of northeast Africa contains sedimentary remnants associated...

 

Books

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Geoarchaeology: The Earth-Science Approach to Archaeological Interpretation (with George R. Rapp) (2006)

Considering the history and theory of geoarchaeology, this book discusses soils and environmental interpretations; initial...

 

Mesozoic and Cenozoic Paleontology in the Western Plains and Rocky Mountains, Occasional Paper No. 3 (2001)

This volume contains papers on the geology and paleontology of the Upper Cretaceous of Montana,...

 

Contributions to Books

Late Glacial Environments and Paleoecology at Blackwater Draw, Near Clovis, New Mexico, U.S.A. (with F. Wendorf, P. Sears, and E. Papazian), Man-Millennia-Environment (2008)
 

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Geologic Framework and Glaciation of the Central Area, Handbook of North American Indians (2006)

During the Late Pleistocene, the Laurentide ice sheet extended over the western interior Plains and...

 

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Geologic Framework and Glaciation of the Eastern Area, Handbook of North American Indians (2006)

Late Pleistocene landscapes in glaciated eastern North America include changing ice margins, fluctuating lake and...

 

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Geologic Framework and Glaciation of the Western Area, Handbook of North American Indians (2006)

The geological framework for western North America consists of physical landscapes (geomorphic features) and stratigraphic...

 

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Late Tertiary to Quaternary Geology and Landscape Evolution along the Snake River Plain, Southwestern Idaho, Archaeological Excavations at 10-CN-6, Middle Snake River, Idaho (2006)

The geology of the Snake River Plain in the vicinity of Melba and Murphy, in...

 

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Geochronology of Merrell Locality Strata and Regional Paleoenvironmental Contexts, The Merrell Locality (24BE1659) & Centennial Valley, Southwest Montana: Pleistocene Geology, Paleontology, & Prehistoric Archaeology (2005)

An assessment of the age of the deposits and the fossils incorporated within them at...

 

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Geology of Centennial Valley and Stratigraphy of Pleistocene Fossil-Bearing Sediments, The Merrell Locality (24BE1659) & Centennial Valley, Southwest Montana: Pleistocene Geology, Paleontology, & Prehistoric Archaeology (2005)

This paper is based on stratigraphic studies conducted at the Merrell Locaility and other locations...

 

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Spatial Distribution of Pleistocene and Holocene Faunal Remains, South Block Excavations (with David C. Batten), The Merrell Locality (24BE1659) & Centennial Valley, Southwest Montana: Pleistocene Geology, Paleontology, & Prehistoric Archaeology (2005)

The fossil remains of mammoth and other Pleistocene fauna found along and near the escarpment...

 

Presentations

Environmental Change in the Rocky Mountains of North America: Landscape Evolution and Historical Ecology, People and Nature in Mountains: Changing Land Use and Landscape Dynamics, Museum of Natural History and Archaeology, Norwegian University of Science and Technology (2011)
 

Quaternary Faunal Environments and Biogeography, On the Cutting Edge Workshop, Teaching Climate Change from the Geologic Record (2010)
 

Extinctions and Environmental Response to Global Warming in Western North America, Focus the Nation Research Symposium: The Science Behind Climate Change (2008)