A discussion of hygrographs
By: by G.L. Hayes
Series: Research note / Northern Rocky Mountain Forest & Range Experiment Station -- no. 25; Research note (Northern Rocky Mountain Forest and Range Experiment Station (Missoula, Mont.)) -- no. 25.
Publisher: Northern Rocky Mountain Forest and Range Experiment Station
Published: 1942
Place of publication: Missoula, Mont
Language: eng
Subjects: Humidity; Measurement
Notes: Caption title.

"July 14, 1942."

Includes bibliographical references.