Sperry Glacier

Sperry Glacier 1911
M.P Campbell, US Geological Survey

Sperry Glacier 1981
Paul Carrera, US Geological Survey

Eliot Glacier

"Mountains of Ice" 1905
H.C. White, Bancroft Library

Eliot Glacier 2005
Keith Jackson

Collier Glacier Sept 28, 1938
Source: Jim O'Connor

Collier Glacier Sept 29, 2007
John Scurlock

South Cascade Glacier

Measuring Albedo July 10, 1960
Wendell Tangborn

South Cascade Glacier Sept 27, 2004
John Scurlock

Blue Glacier

Blue Glacier Oct 28, 1941
W.B. Augustine

Blue Glacier Sept 13, 2007
John Scurlock