February 12 through 14, 2006, trip to Chattanooga, TN, and Northern GA.

March 17 through 20, 2006, trip to the Columbia River Gorge in WA and OR.

April 22, 2006, trip to BNSF's Lakeside Sub in WA.

April 26, 2006, trip to St. Maries, ID.

June 5 and 6, 2006, trip to Providence Hill in WA.

August 1 through 13, 2006, trip to MT, WY and NE Part 1.

August 1 through 13, 2006, trip to MT, WY and NE Part 2.

September 17, 2006, trip to Northern GA.

November 18, 2006, trip to Dalton, GA area.

December 2, 2006, trip to the Hiwassee River Gorge in TN.

December 16, 2006, trip to Chattanooga, TN.

December 23, 2006, trip to CSX's Chattanooga Sub in TN and AL.