22401 Felicia Drive Briarcliff, Texas 78669 USA email us: info@isonex.com Ph# 512-264-2802 Fax 512-264-2950 Introduction What's New Publications Industry Updates Company Information Capabilities Published Papers Feedback/Questions Soda Ash in the USA - Adapted from an article in the June 1997 issue of Glass International magazine. Requires Adobe Acrobat Reader. Process Selection Criteria for Refining Trona to Commercial Products - Presented at the 1st International Soda Ash Conference, Rock Springs, Wyoming, June 11, 1997.