http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Soil data from Picea mariana stands near Delta Junction, Alaska of different ages and soil drainage type
1 online resource (ii, 17 pages, 13 pages, 8 pages) : map + 5 spreadsheets.
Includes bibliographical references (pages 13-17)
U.S. Geological Survey open-file report ; 2004-1271