CAS UNIV. I. OF ECON. )LOGY JLICATION JLL.) 93
Bulle tin of the Univeristy of Texas Number 93 April 15, 1907
A Sketch of th e Geology of the Chisos Country, Bewster County, Texas.
J. A. Udden, Ph. D., F. G. S. A.,
College; for uiogist, University of s Mineral St-ivey.
littered at the Postoffice in Austin, Texas, as second class mail matter under Act of Congress, passed July 16. AUSTIN, TEXAS