Spatial and temporal trends of trace metals in surface water, bed sediment, and biota of the upper Clark Fork Basin, Montana, 1985-95
By: by Michele I. Hornberger ... [et al.] ; prepared in cooperation with the U.S. Environmental Protection Agency
Contributors: Hornberger, Michelle I; United States. Environmental Protection Agency; Geological Survey (U.S.)
Series: U.S. Geological Survey open-file report -- 97-669
Publisher: U.S. Dept. of the Interior, U.S. Geological Survey; Information Services [distributor]
Published: 1997
Place of publication: Menlo Park, Calif; Denver, CO
Language: eng
Format: Microform
Number of pages: 84
Subjects: Trace elements in water -- Clark Fork Watershed (Mont. and Idaho); River sediments -- Environmental aspects -- Clark Fork Watershed (Mont. and Idaho); Stream ecology -- Clark Fork Watershed (Mont. and Idaho)
Notes: Cover title

Shipping list no.: 99-0354-M (illegible header); 99-0388-M (legible header)

"November, 1997."

Includes bibliographical references (p. 40-43)

Microfiche. [Denver, Colo. : U.S. Geological Survey, 1998?] 1 microfiche : negative