Repeat photo of Grinnell Glacier (1910, 2007)
By Northern Rocky Mountain Science Center
2007 (approx.)
![Repeat photo of Grinnell Glacier](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/full_width/public/thumbnails/image/boulder%20pair2.jpg?itok=1BcqARg2)
Detailed Description
Boulder Glacier in 1910 (Elrod photo, GNP Archives) and in 2007 (Fagre/Pederson photo, USGS). Matching the intersection of the peaks in the background helps the repeat photographer locate the photo point. USGS Public domain
Sources/Usage
Public Domain.