Iowa Geological Survey; Pammel, L. H. (Louis Hermann), 1862-1931
Dec. 2, 1901
Dr. L. H. Pammel
Ames Iowa.
My dear Prof. Pammel,
I have just received Bulletin No. 1, of the Iowa Geological Survey, and I take a great deal of interest, pleasure and profit in looking over this work. I think without doubt it is one...