* Relief shown by hachures and spot heights.
<ul><li>For Canada, covers southern part between Michigan and Maine.</li>
<li>Prime meridians: Washington and Greenwich.</li></ul><p><br></p>
<ul><li>Insets: Colton's map of the United States showing the proposed railroad routes to the Pacific Ocean -- Southern part of Florida.</li>
<li>Description derived from published bibliography.</li>
<li>Mapping the Nation (NEH grant, 2015-2018)</li></ul>
Scan by NYPL
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