survey of soil invertebrates in two aspen forests in northern Minnesota
By: T.L. Wagner, W.J. Mattson, and J.A. Witter.
Contributors: Mattson, William J., 1943-; Witter, John A.; North Central Forest Experiment Station (Saint Paul, Minn.)
Series: General technical report NC -- 40.
Publisher: North Centeral Forest Experiment Station, Forest Service, U.S. Dept. of Agriculture
Published: 1978
Place of publication: [St. Paul, Minn.]
Language: eng
Number of pages: 23
Subjects: Soil invertebrates -- Minnesota -- Identification; Forests and forestry -- Minnesota
Notes: Cover title.

"Manuscript approved for publication February 18, 1977"--P. [2] of cover.

Includes bibliographical references (p. 11-12).