Low-cost counter assembly for current-meter measurements
By: W.B. Fowler.
Contributors: Pacific Northwest Forest and Range Experiment Station (Portland, Or.)
Series: Research note -- PNW-230.; USDA Forest Service research note PNW -- 230.
Publisher: Pacific Northwest Forest and Range Experiment Station, USDA Forest Service
Published: 1974
Place of publication: Portland, Or
Language: eng
Subjects: Water current meters.
Notes: Caption title.

"June 1974."

Includes bibliographical references.