Field study - July 2008 Sold Soda Butte Creek - Lamar Valley 6" x 8" oil on wood  Field Study - July 2008 Black Tail Plateau - Yellowstone 9" x 12" oil on wood Field Study - July 2008 Sold Confluence - Soda Butte Creek & Lamar River 9" x 12" oil on wood   art@jerolyndirks.com