http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Late Quaternary vegetation history of the Yellowstone Lake Basin, Wyoming
vi, 48 pages, 11 unnumbered leaves of plates : illustrations ; 29 cm.
Analysis of pollen and plant macrofossils from sediment cores indicate complex changes in the vegetation succession from deglaciation about 13,000 years ago to the present.
Geological Survey professional paper ; 729-E