http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Survival and early growth of planted forest trees on strip-mine spoils in the Anthracite Region
Northeastern Forest Experiment Station (Radnor, Pa.)
by Miroslaw M. Czapowskyj and William E. McQuilkin.
Includes bibliographical references (page 29).
U.S. Forest Service research paper NE ; 46