Macro what?
Subtitle: aquatic ecosystem analysis program macroinvertebrae phase
Contributors: United States. Forest Service. Intermountain Region
Edition: Rev./Reprint 1990
Publisher: U.S. Dept. of Agriculture, Forest Service, Intermountain Region
Published: 1990
Place of publication: Ogden, Utah
Language: eng
Subjects: Aquatic insects -- United States; Biotic communities -- United States
Notes: Shipping list no.: 92-0670-P