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Engineer samples soil in test pit at 3" intervals; Klick and Craven
Stanley Needleman
35mm slide
20th century Greenland Image
Capt. Klick records soils property data in his field book
Stanley Needleman
35mm slide
20th century Greenland Image
Close-up of engineering test to determine bearing strength of surface using jeep
Stanley Needleman
35mm slide
20th century Greenland Image
2 geologists and 1 civil engineer locate/test runways on Polaris Promontory
Stanley Needleman
35mm slide
20th century Greenland image
Engineering and Polar Exploration
William Herbert Hobbs
paper
20th United States Pamphlet
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