A new method for reporting and interpreting textural composition of spawning gravel
By: Frederick B. Lotspeich and Fred H. Everest
Contributors: Everest, Fred H; Pacific Northwest Forest and Range Experiment Station (Portland, Or.)
Series: Research note PNW -- 369
Publisher: U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Forest and Range Experiment Station
Published: 1981
Place of publication: [Portland, Or.?]
Language: eng
Number of pages: 11
Subjects: Gravel; Particle size determination
Notes: Caption title

"January 1981."

Bibliography: p. 11