Mary Ann Whitney-Hall: Herding sheep in Wyoming
Mary Ann Whitney-Hall: Along the Wind River, Wyoming
Mary Ann Whitney-Hall: Absaroka Range from the Beartooth Highway
Mary Ann Whitney-Hall: Wyoming in the spring time.
Mary Ann Whitney-Hall: The Grand Tetons
Mary Ann Whitney-Hall: Stormy day in the Lamar Valley, Yellowstone
Mary Ann Whitney-Hall: Red Canyon, Wyoming