20080801a Blair Burnham Work Dan USGS Blair Visit Denver Museum Of Natural History Colorado12 images 20080802b Blair Burnham Work Dan USGS Blair Visit Rocky Mountain National Park Colorado29 images 20080730a McMahan Plenty O' Peyton Pix20080802a Mantey Trip Catawba Island Ohio
20080801 Blair Burnham Work Dan USGS United States Geological Survey Blair Visit Colorado