1951 Map of Petersburg D-4, 1981 Print
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1951 Map of Petersburg D-4

USGS Topo · Published 1981

About this map

Kupreanof Island is defined by its intricate shoreline and high peaks in this mid-century topographic record. The Lindenberg Peninsula dominates the central landscape, home to the Missionary Range where summits like Lockwood Peak and Ambler Peak overlook the deep waters of Portage Bay and the North Arm. The map documents early aviation and communication infrastructure at the southern edge, specifically the Indian Pt Seaplane Landing and a Radio Tower near the mouth of Ohmer Creek. Interior access is primarily indicated by the Petersburg Trail, which connects the coast to Petersburg Lake. Isolated cabins along the shoreline of McDonald Arm and Duncan Canal suggest a reliance on maritime transport and seasonal activities within the Tongass National Forest.


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Map Details

Date Portrayed1951
Date Published1981
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:63,360
Physical Dimensions18.1 x 22 inches

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Source Details

CopyrightPublic Domain