By Sheri Quinn
http://stream.publicbroadcasting.net/production/mp3/kuer/local-kuer-676504.mp3
Salt Lake City, UT – Utah's Spiral Jetty is among the world's best-known works of land art. A proposal to drill for oil in the Great Salt Lake, five miles away from the immense basalt rock earthwork has set off an international alarm. Sheri Quinn reports.