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1952 Map of Hagemeister Island C-6

Name: 1952 Topographic Map of Hagemeister Island C-6
Creator: U.S. Geological Survey
Published: 1955
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 1955

About this map

Cape Peirce and the surrounding coastline of Southwest Alaska were mapped in detail in the early 1950s using aerial photography and hydrographic surveys. The landscape is defined by the prominent headlands of Chagvan Mountain and Tokomarik Mtn, which separate the waters of Kuskokwim Bay from the protected reach of Security Cove. This coastal region serves as a vital transition point between the open sea and the intricate tidal systems found near Nanvak Bay, where extensive mud flats are noted.

The Slug River meanders through the eastern lowlands, providing a rare freshwater corridor through the high coastal bluffs. Isolated landmarks such as Castle Rock and Pinnacle Rock stand as navigational aids along the shore, while the map records the administrative transition between the Fourth and Third Judicial Divisions. This survey provides a precise record of the shoreline and elevation contours before modern geological shifts and sea-level changes altered the coastal profile.