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Installing of thermistor cable to measure temperatures; mounted on drums
Stanley Needleman
35mm slide
20th century Greenland image
Digging test pit and installing thermocouple into permafrost below the delta
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
Using heated crowbar chisel to chop frozen soil and extend the drill hole
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
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