Photos courtesy of Marc Hendrix<br> <br>University of Montana researchers use this 20-by-20-foot barge and a long pipe (seen here in a horizontal position) to retrieve long sediment cores from the bottom of Flathead Lake. The cores provide information about local climate conditions during and following the last ice age. Pictured is UM geologist Johnnie Moore, one of the principal investigators on the project.

November 7, 2004