Repeat photo of Grinnell Glacier (1910, 2007)
By Northern Rocky Mountain Science Center
2007 (approx.)
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.