Photographer: Helen Groger-Wurm2019-10-252019-10-2522/06/1962315http://hdl.handle.net/1885/177846Yellowstone National Park.3.5cm x 2cmmounted transparencycolourimage/tiffimage/jpgen-AUThis item is provided for research purposes. Contact the Australian National University Archives at butlin.archives@anu.edu.au for permission to use.2019-10-25