September 22, 1911
Dr. L. H. Pammel
Iowa State College, Dept. of Botany,
Ames, Iowa.
My dear Dr. Pammel:
I wish to thank you for a copy of your Talk on Weeds. I have found it exceedingly interesting and instructive.
With my very best wishes to yourself and family, I am,
Yours very truly,
Geo. W. Carver
Director Dept. of Research
& Experiment Station.