This message is to advise karst scientists that a topical session on the engineering and environmental impact of evaporite karst has been proposed for this year?s annual GSA meeting.  Some of you have participated in past sessions on this important topic. We would like to encourage you to submit an abstract for this session number T28.  The abstract deadline is August 10.

Thanks, and we look forward toseeing you in Denver.  To submit an abstract go to:  http://geosociety.org/meetings/2010/sessions/topical.asp
and select session T28.

Lewis Land

National Cave & Karst Research Institute and New Mexico Bureau of Geology and Mineral Resources