IV 



Page 



Letters, statements, etc., submitted for the record by — Continued 



Shaver, Christine, senior attorney, Environmental Defense Fund, Boul- 

 der, CO: Prepared statement 53 



Souby, James M., chair, operations committee. Grand Canyon Visibility 

 Transport Commission, Denver, CO: Prepared statement 67 



Steinhardt, Bernice, Associate Director, Environmental Protection Issues, 

 Resources, Community, and Economic Development Division, U.S. Gen- 

 eral Accounting Office: Prepared statement 9 



White, Warren H., professor, Washington University, St. Louis, MO: Pre- 

 pared statement 23 



APPENDIX 



Material submitted for the hearing record 183 



