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The Brown-Duvel moisture tester and how to operate it
Object-lesson and experimental roads, and bridge construction, 1912-13
The apple leaf-sewer
Out-door life in the Colorado National Forest
The bee-louse, Braula coeca, in the United States
The lesser corn stalk-borer
Timber growing and logging practice in the Lake states : measures necessary to keep forest land productive and to produce full timber crops
The search for hardier fruits and nuts
A farm-management survey of three representative areas in Indiana, Illinois, and Iowa
Perennial rye-grass (Lolium perenne)