Snow shoes for ponies at Cape Evans Hut.

Pony stalls at Cape Evans Hut.

Hay for ponies at Cape Evans Hut.

Supplies left in Cape Evans Hut kitchen.

Cachet used on mail sent from Antarctica. "McMurdo Station ...

Cachet used on mail sent from Antarctica. "Coloradoans South ...

Cachet used on mail sent from Antarctica. "Antarctica Mid-winter ...

Cachet used on mail sent from Antarctica. "Operation Deep Freeze ...

Cachet used on mail sent from Antarctica. "Indians Cleveland".

Cachet used on mail sent from Antarctica. "Public Affairs Office ...

Cachet used on mail sent from Antarctica. "McMurdo fire dept ...

Cachet used on mail sent from Antarctica. "Antarctica 1955 Comet ...

Cachet used on mail sent from Antarctica. Image of a penguin in ...

Cachet used on mail sent from Antarctica. "Operation Deep Freeze ...

Cachet used on mail sent from Antarctica. "Detachment ...

Contributor's note: "A photo my husband took while on a work ...