[p.b]University of Texas Bulletin

No. 1821: April 10, 1918

Fossil Ice Crystals
An Instance of the Practical Value of "Pure Science"

Bureau of Economic Geology and Technology
Division of Economic Geology
J. A. Udden, Director of the Bureau and Head of the Division

Published by the University six times a month and entered as second-class matter at the postoffice at
AUSTIN, TEXAS

[p.c]Publications of the University of Texas

Publications Committee:

F. W. GraffR. H. Griffith
J. M. BryantJ. L. Henderson
D. B. CasteelI. P. Hildebrand
Frederic DuncalfE. J. Mathews