Geoscience Reference
In-Depth Information
Pringle, P. T. 1993.
Roadside Geology
of Mount St. Helens National
Volcanic Monument and Vicinity
.
Washington Division of Geology
and Earth Resources Information
Circular 88.
Selden, P. and Nudds, J. 2004.
Evolution
of Fossil Ecosystems
. Manson, London.
Scudder, S. H. 1890. The Tertiary insects
of North America.
Report of the
United States Geological Survey of the
Territories
13
, 1-734.
Wheeler, E. A. 2001. Fossil dicotyledonous
woods from Florissant Fossil Beds
National Monument, Colorado,
187-203. In:
Fossil Flora
and Stratigraphy of the Florissant
Formation, Colorado
. Proceedings of
the Denver Museum of Nature and
Science, series 4, number 1, E.
Evanoff, K. M Gregory-Wodzicki
and K. R. Johnson, (eds.).
Wolfe, J. A. 1993. A method for
estimating climatic parameters for
leaf assemblages.
United States
Geological Survey Bulletin
1964
, 35.
Wolfe, J. A. 1994. Tertiary climatic
changes at middle latitudes of western
North America.
Paleogeography
Paleoclimatology Paleoecology
108
,
195-205.
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