A hierarchical framework of aquatic ecological units in North America (Nearctic zone)
By: James R. Maxwell ... [et al.]
Contributors: Maxwell, James R; North Central Forest Experiment Station (Saint Paul, Minn.)
Series: General technical report NC -- 176
Publisher: U.S. Dept. of Agriculture, Forest Service, North Central Forest Experiment Station
Published: 1995
Place of publication: St. Paul, Minn. (1992 Folwell Ave., St. Paul 55108)
Language: eng
Format: Microform
Number of pages: 72
Subjects: Aquatic ecology -- North America; Aquatic habitats -- North America
Notes: Cover title

Distributed to depository libraries in microfiche

Shipping list no.: 97-0633-M

Includes bibliographical references (p. 61-70)

Microfiche. [Washington, D.C.?] : Supt. of Docs., U.S. G.P.O., [1997] 1 microfiche : negative