Sperry Glacier in about 1930 and 2008
By Northern Rocky Mountain Science Center
2008 (approx.)
Detailed Description
Sperry Glacier: circa 1930, MJ Elrod, U of M Library – 9/17/2008, L McKeon, USGS
Repeating this photo from the same photo point was impossible since the historic photo was shot from the elevated perspective of the glacier’s surface.
View the full collection at USGS Photographic Library
Sources/Usage
Public Domain.