http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
the exciting beginning of Yellowstone National Park
The Washburn-Doane Expedition of 1870 / by W. Turrentine Jackson -- The creation of Yellowstone National Park / by W. Turrentine Jackson
The Al Stonestreet Parks and Recreation Collection, 1997.