The Bureau of Economic Geology The University of Texas at Austin Jackson School of Geosciences
Nancy  Cottington
Nancy Cottington Senior Computer Illustrator Bureau of Economic Geology
The University of Texas at Austin
University Station, Box X
Austin, Texas 78713-8924
E-mail: nancy.cottington@beg.utexas.edu Telephone: 512-471-4335 Fax: 512-471-0140
©2014 Bureau of Economic Geology, The University of Texas at Austin