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1943 Map of Barnhart Island
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1943 Map of Barnhart Island

USGS Topo · Published 1943

About this map

Barnhart Island and the turbulent Long Sault Rapids define the international boundary landscape in the mid-1940s, shortly before massive mid-century power projects fundamentally altered the St Lawrence River. On the Ontario side, several small settlements and landmarks like Moulinette, Milles Roches, and Ault Park line the northern shore, connected by the Canadian National railway and the historic Old Canal system. This survey documents the complex network of islands, including Sheek Island and Cornwall Island, and the intricate river channels like Pollys Gut that dictated local navigation and border surveillance. On the American side in New York, an Aerial Tramway crosses to Barnhart Island near Massena Pt, highlighting the logistical efforts to connect the island’s interior, including the USLS 23 Barnhart Cem, with the mainland.

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Map Details

Date Portrayed1943
Date Published1943
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:31,680
Physical Dimensions16.8 x 21.6 inches

Editions of this 1943 Barnhart Island Map

This is the sole edition of this map. No revisions or reprints were ever made.

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Source Details

SourceU.S. Geological Survey
CopyrightPublic Domain