Northern Rocky Mountain Science Center (NOROCK)
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Northern Rocky Mountain Science Center (NOROCK)
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NOTE: Proper credit for any of the photographs should include the photographer and the source (eg. T.J. Hileman, courtesy of Glacier National Park Archives). View the paired images to see examples of proper crediting for each photo. For more information see the section Use Guidelines and Proper Crediting.
NOTE: Please complete the brief Repeat Photo Usage Form if you download photos from this site.
This view of the northeast portion of Sperry Glacier shows evidence of the glacier's recession as well as the advancement of conifer species and other vegetation on the glacial moraines.
PAIRED 1913 photo by W. C. Alden, Glacier National Park Archives - 2007 photo by Lisa McKeon, USGS |
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570x400 pixels (102 KB) format jpeg SperryNEview_sm.jpg (small file) | |
powerpoint format (3 MB) SperryNEview.ppt (very large file) |
HIGH RESOLUTION 1913 photo by W. C. Alden, Glacier National Park Archives
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900x522 pixels (130 KB) format jpeg SPR_NE_Aldern_1913bA_cr_sm.jpg (smaller file) | |
1800x1043pixels (3.60 MB) format tif SPR_NE_Aldern_1913bA_cr.tif (larger file) | |
HIGH RESOLUTION 2007 COLOR photo by Lisa McKeon, USGS
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900x542 pixels (214 KB) format jpeg SPR_NE_mckeon_07_cr_sm.jpg (small file) |
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1800x1043 pixels (5.4 MB) format tif SPR_NE_mckeon_07_cr.tif (large file) |
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HIGH RESOLUTION 2007 BLACK & WHITE photo by Lisa McKeon, USGS
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900x522 pixels (214 KB) format jpeg SPR_NE_mckeon_07bw_cr_sm.jpg (small file) |
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1800x1043 pixels (1.82 MB) format tif SPR_NE_mckeon_07bw_cr.tif (large file) |