Sixty years of change on a central Arizona grassland-juniper wood-land ecotone.
Contributors: United States. Science and Education Administration. Agricultural Research. Western Region.
Series: Agricultural reviews and manuals -- 7.
Publisher: Agricultural Research (Western Region), Science and Education Administration, U.S. Dept. of Agriculture
Published: 1979
Place of publication: Oakland, Calif
Language: eng
Number of pages: 28
Subjects: Grassland ecology -- Arizona.; Juniper -- Arizona.
Notes: "April 1979."

Includes bibliographical references.