© by glaciologist William O. Field
Muir Glacier taken on August 13, 1941, by glaciologist William O. Field
© by geologist Bruce F. Molnia of the United States Geological Survey (USGS).
Muir Glacier taken from the same vantage on August 31, 2004, by geologist Bruce F. Molnia of the United States Geological Survey (USGS).
