Geology - North America.

Cenozoic mammals of North America : = geochronology and biostratigraphy / by: (Language materials, printed)

Foot steps of the ancient Great Glacier of North America = a long lost document of a revolution in 19th century geological theory / by: (Electronic resources)

Earth Sciences.

Paleontology- North America.

Glaciers- North America.

Climate Change.

Glaciology- History- 19th century.

Historical Geology.

Geology- North America.

Geology, Stratigraphic- Cenozoic.

Mammals, Fossil- North America.

Paleontology- Cenozoic.

Geology- History- 19th century.

History of Science.

Popular Science in Nature and Environment.