http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Site index of New Jersey sweetgum stands related to soil and water-table characteristics
Northeastern Forest Experiment Station (Radnor, Pa.)
1 online resource (25 pages) : illustrations, map.
GPO Cataloging Record Distribution Program (CRDP).
Includes bibliographical references (page 22).
U.S. Forest Service research paper NE ; 6