Cottonwood railway tie test completed
By: Lincoln A. Mueller
Series: Research note / Northern Rocky Mountain Forest & Range Experiment Station -- no. 67; Research note (Northern Rocky Mountain Forest and Range Experiment Station (Missoula, Mont.)) -- no. 67.
Publisher: Northern Rocky Mountain Forest and Range Experiment Station
Published: 1948
Place of publication: Missoula, Mont
Language: eng
Subjects: Railroad ties; Cottonwood
Notes: Caption title.

"December 1948."