Engelmann spruce in the rocky mountains : with special reference to growth, volume, and reproduction /Author: Hodson, E. R.
Publisher: Washington : G.P.O.,
Date: 1910. This title can be found in 1 Iowa libraries.
Use of dead timber in the national forests.Author: Hodson, E. R.
Publisher: [Washington, Govt. Print. Off.,
Date: 1907] This title can be found in 1 Iowa libraries.
Rules and specifications for the grading of lumber : adopted by the various lumber manufacturing associations of the United States /Publisher: Washington, D.C. : U.S. Dept. of Agriculture, Forest Service,
Date: 1906. This title can be found in 1 Iowa libraries.
The asparagus rust in Iowa /Author: Pammel, L. H.
Publisher: Ames, Iowa : Experiment Station, Iowa Agricultural College,
Date: 1900. This title can be found in 1 Iowa libraries.
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