inexpensive water sampler
By: by G.O. Klock, W.B. Fowler.
Contributors: Fowler, W. B. 1930-
Series: USDA Forest Service research note PNW -- 188.
Publisher: Pacific Northwest Forest and Range Experiment Station, Forest Service, U.S. Dept. of Agriculture
Published: 1972
Place of publication: Portland, Ore
Language: eng
Subjects: Water -- Sampling -- Equipment and supplies.
Notes: Caption title.

"September 1972."

Includes bibliographical references.