http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
guide to mapping intertidal eelgrass and nonvegetated habitats in estuaries of the Pacific Northwest USA
National Health and Environmental Effects Research Laboratory (U.S.)
1 online resource (viii, 50 pages) : color illustrations, color maps.
Title from title screen (viewed on Nov. 18, 2011).
Includes bibliographical references (pages 26-27).