Sperry Glacier
Science Center Objects
The northwest portion of Sperry Glacier once spanned Comeau Pass to the base of Edwards Mountain.
Please respect the photographer: When using these photographs, please credit the photographer and source (eg. T.J. Hileman, courtesy of Glacier National Park Archives). The paired images at the top of this page are examples of proper crediting for each photo. Please contact ssoileau@usgs.gov for high resolution versions of images below.
Public domain
Public domain
Repeat Photography Project
Climate change research in Glacier National Park, Montana entails many methods of documenting the landscape change, including the decline of the parks namesake glaciers. While less quantitative than other high-tech methods of recording glacial mass, depth, and rate of retreat, repeat photography has become a valuable tool for communicating effects of global warming. With evidence of worldwide...