Wilkins led three Detroit Arctic Expeditions in 1926, 1927, 1928; the objective was to fly from Pt. Barrow, Alaska across the polar sea to Spitzbergen, islands north of Norway. Only the last expedition succeeded. Photo is torn in half.
Caption on front: "Location of the Salmon Canneries of Pacific American Fisheries, Inc." Map showing the canneries in the three Alaska districts: Western, Central, and Southern, as well as the Puget Sound District (Bellingham, Washington), a total of twenty-five.