" 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     .

"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 .