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.)