Some links to express concerns about In-situ leaching process:

http://www.nrc.gov/reading-rm/doc-collections/nuregs/contract/cr6870/

http://www.sea-us.org.au/isl/islisbad.html

www.wise-uranium.org/uisl.html

http://www.why-war.com/news/2004/03/12/scientis.html

http://www.sea-us.org.au/isl/islsuks.html

Big research report on ISL by Gavin Mudd

http://www.gwpc.org/index.htm

http://www.anawa.org.au/mining/isl.html

http://www.google.com/search?hl=en&q=+In+Situ+Leach+Mining&btnG=Google+Search

http://www.wise-uranium.org/uisl.html#RECLAM

http://frwebgate.access.gpo.gov/cgi-bin/getdoc.cgi?dbname=2002_register&docid=fr22ap02-104