"Currents in Bering Sea and Adjacent Waters" by W. H. Dall, Assistant USC&GS.
This early oceanographic map also showed the limits of ice in 1871 and 1877.
Image ID: cgs05412, NOAA's Historic Coast & Geodetic Survey (C&GS) Collection
Location: Alaska, North Pacific, Bering Sea
Photo Date: 1881
Category: Coast and Geodetic Survey/Archive Oceanography/
• High Resolution Photo Available