Grand Prismatic Spring Number 1, Yellowstone 2009Black Sand Basin Number 3, Cliff Geyser, Yellowstone 2009Black Sand Basin 3, Cliff Geyser, Yellowstone 2009Black Sand Basin Number 2, Yellowstone 2009Norris Geyser Basin Number 2, Yellowstone 2009Norris Geyser Basin Number 1, Yellowstone 2009Norris Geyser Basin Number 3, Yellowstone 2009Black Sand Basin Number 3, Cliff Geyser, Yellowstone 2009Geyser Abstract Number 1, Yellowstone 2009Black Sand Basin, Cliff Geyser, Yellowstone 2009Fountain Paint Pot, Yellowstone 2009

© Bob Rickert 2012