Yellow-poplar rooting habits
By: John K. Francis
Contributors: Southern Forest Experiment Station (New Orleans, La.)
Series: USDA Forest Service research note SO -- 246; Forest Service research note SO -- 246
Publisher: U.S. Dept. of Agriculture, Forest Service, Southern Forest Experiment Station
Published: 1979
Place of publication: New Orleans, La
Language: eng
Subjects: Poplar
Notes: Includes bibliographical references (p. 3)

Also available via Internet from the Forest Service web site. Address as of 7/30/07: http://www.srs.fs.usda.gov/pubs/rn/rn%5Fso246.pdf ; current access is available via PURL