Dan Krinsley, U.S. Geological Survey, in moat developing at Centrum Lake
Stanley Needleman
35mm slide
20th century Greenland Image
Surveying party also measures temperatures at each station on Centrum Lake.
Stanley Needleman
35mm slide
20th century Greenland Image
Dan Krinsley observing development and thawing rate of moat at Centrum Lake
Stanley Needleman
35mm slide
20th century Greenland Image
Dan Krinsley of U.S. Geological Survey and ? inspect cairn on Cape George Cohn
Stanley Needleman
35mm slide
20th century Greenland Image
Dan Krinsley of U.S. Geological Survey and ? inspect cairn on Cape George Cohn.
Stanley Needleman
35mm slide
20th century Greenland Image
Operation Groundhog, 60B under Bill Davies and Dan Krinsley, leaving
Stanley Needleman
35mm slide
20th century Greenland Image
Krinsley and 'copter pilot erecting para-igloo tent in snow by Arctic Ocean.
Stanley Needleman
35mm slide
20th century Greenland Image
Dan Krinsley prepares thermocouple prior to installation into a test pit
Stanley Needleman
35mm slide
20th century Greenland Image
View north, frozen Graeselven River. Personnel: Dr. Dan Krinsely USGS.
Stanley Needleman
35mm slide
20th century Greenland image
Dan Krinsley landing at ice cap base near Graeselvev River
Stanley Needleman
35mm slide
20th century Greenland Image
Dan Krinsley reading meter to determine temperatures at varying depths
Stanley Needleman
35mm slide
20th century Greenland Image
Field party under Krinsley checks extent of moat at Centrum Lake
Stanley Needleman
35mm slide
20th century Greenland Image
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