http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Ecological investigations of the federally endangered Shivwits Milk-Vetch (Astragalus ampullarioides)--2006 annual report
Southwest Biological Science Center (U.S.)
by Mark E. Miller ... [et al.] ; in cooperation with National Park Service, Zion National Park.
Title from PDF title screen (viewed on Feb. 21, 2007).
At head of title on HTML title screen: Southwest Biological Science Center.
Mode of access: Internet from the USGS web site. Address as of 10/17/07: http://pubs.usgs.gov/of/2007/1050/of2007-1050.pdf; current access via PURL.
Includes bibliographical references (pages 21-22).
U.S. Geological Survey open-file report ; 2007-1050