New method for measuring water seepage through salmon spawning gravel
By: Richard D. Orchard.
Contributors: Pacific Northwest Research Station (Portland, Or.)
Series: Research note PNW-RN -- 483.; Research note PNW -- 483.
Publisher: U.S. Dept. of Agriculture, Pacific Northwest Research Station
Published: 1988
Place of publication: Portland, Or
Language: eng
Number of pages: 15
Subjects: Flow meters.; Bed load -- Measurement.; Stream measurements.; Salmon -- Spawning.
Notes: Caption title.

"November 1988."

Bibliography: p. 14-15.