Ecological investigations of the federally endangered Shivwits Milk-Vetch (Astragalus ampullarioides)--2006 annual report / by Mark E. Miller [and others] ; 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.
Bibliography Note
Includes bibliographical references (pages 21-22).
Technical Details
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.
Action Note
committed to retain. Federal Depository Library Program (FDLP). For information on our retention commitment, please contact Microforms and Government Information.