Other than the cold, baseline measurements were facilitated by measuring across
the flat lagoon ice from mainland point-to-point.
Baselines were measured to second-order standards and 4-5 miles long.
Image ID: corp1046, NOAA At The Ends of the Earth Collection
Location: Alaska North Slope
Photo Date: Spring 1949
Photographer: Rear Admiral Harley D. Nygren, NOAA Corps (ret.)
• High Resolution Photo Available
of the U.S. Department of Commerce, National Oceanic & Atmospheric
NOAA Central Library
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