Our 2018 GPS photo calendars are now available for purchase! Calendars are $10 (cash or check made out to "Caltech") and feature our beautiful winning photographs from a division-wide photo contest. These calendars make great holiday gifts or office decorations.

The Caltech Division of Geological and Planetary Sciences is  producing 12 x 12 inch full-color wall calendars featuring beautiful photography by division members.  Proceeds fro