"Koip Glacier" 1932/2018
Mordancage -Silver Gelatin Print
Original negative collected from early USGS Glacial studies in Yosemite, reproduced and manipulated using the rare “mordancage” process. The figure in frame is a member of Brett Hartwell’s 1932 geologic survey team, and the dashed lines appeared on the original negative for glacier measurement purposes.
This is a selected image is from the “A Thing of the Past” series that lies within the Downstream Collection .