Macro what?
Subtitle: aquatic ecosystem analysis program macroinvertebrate phase
Edition: Rev./Reprint 1990.
Publisher: U.S. Dept. of Agriculture, Forest Service, Intermountain Region
Published: 1990
Place of publication: Ogden, Utah
Language: eng
Subjects: Biotic communities; Aquatic insects
Notes: Cover title.

Shipping list no.: 92-0670-P.