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A diagram of the triangulation for the survey of the coast of the United States made in 1817 and 1833 : and the secondary triangles ...
Shows triangulation lines connecting base points in southwestern Connecticut, western Long Island, and New York City vicinity. Rubber-stamped at foot of title: Copyright secured according to law. Annotated/signed in ink on verso: ...
Contributor: United States Coast Survey Site/Collection: Geography and Map Division - General Maps - American Memory - Main Catalog Original Format: Map Date: 1834 View catalog record
Scale ca. 1:375,000. Relief shown pictorially. Shows counties, towns, rivers, and post roads. LC Maps of North America, 1750-1789, 1023 Available also through the Library of Congress Web site as a raster ...
Contributor: Covens Et Mortier Et Covens, Junior Site/Collection: Geography and Map Division - American Revolution and Its Era: Maps and Charts of North America and the West Indies, 1750 to 1789 - Military Battles and Campaigns - General Maps - American Memory - Main Catalog Original Format: Map Date: 1780 View catalog record