http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Ecology and conservation of the San Pedro River
xiv, 529 pages : illustrations, maps ; 27 cm.
edited by Juliet C. Stromberg and Barbara Tellman ; foreword by W. James Shuttleworth.
Includes bibliographical references (pages [439]-508) and index.
San Pedro River Valley (Mexico and Ariz.)