1951 Map of Seward B-4

About this map

Sargent Icefield dominates the western interior of this coastal Alaskan landscape, where massive ice flows like Princeton Glacier and Ultramarine Glacier descend toward the sea. The 1951 field data shows the dramatic intersection of glacial geography and the deep waters of Prince William Sound, particularly where Chenega Glacier meets the head of Nassau Fiord. Along the eastern shoreline, the intricate coastline is defined by Dangerous Passage and the sheltered waters of Jackpot Bay, which serves as the outlet for the Jackpot Lakes system. This survey preserves the topographical relationship between high summits like Saddle Peak and the maritime environment of Chenega Island, providing a detailed look at the region's hydrography and ice coverage before late-twentieth-century glacial shifts.